Skip to main content
Route 66 Turns 100 - See How Roadrunner Is Part of the Legacy. Watch the Video →

Author: Cameron Henry

How to Choose the Right Bridge for Your Property

Written by Cameron Henry on . Posted in Buyer Guide.

To choose the right bridge for your property, start with three questions: what will cross it (the load), how wide the gap is (the span), and what the site is like (the banks, soil, and water flow). Those three answers point you straight to the right bridge type — a light trail bridge for foot traffic, a utility bridge or kit for light vehicles, a vehicular bridge for trucks and equipment, or a steel truss bridge for longer or heavier crossings. Everything else — budget, permitting, delivery — builds on those basics.

Here’s how to work through each one so you end up with a crossing that fits your land and how you actually use it.

Start with the right three questions

Most people start by asking “how much does a bridge cost?” — but price is the output, not the starting point. Nail down load, span, and site conditions first, and the right bridge (and a realistic budget) falls out naturally. Get these three right and you avoid the two most common mistakes: buying more bridge than you need, or buying one that can’t handle what you’ll actually drive across it.

1. What will cross the bridge?

This is the single most important question, because it sets the load rating — and load rating drives everything from materials to foundations to cost. Be honest about the heaviest thing that will ever cross, not the typical thing.

  • Foot traffic, bikes, ATVs, golf carts: A light-duty trail bridge or pedestrian bridge is usually all you need — clean, attractive, and cost-effective.
  • Pickups, side-by-sides, light trailers: A prefabricated utility bridge or bridge kit handles light vehicle traffic and is the most affordable way to get drivable access across a creek or ditch.
  • Loaded trucks, tractors, livestock trailers, heavy equipment: Step up to an engineered vehicular bridge rated for the real weight of your equipment.
  • Fire trucks, emergency access, or shared neighborhood/HOA use: These often carry code or insurance load requirements — plan for the higher rating up front.

If your needs sit between two categories, size up. A bridge rated for more than you need lasts longer and gives you room to grow; one that’s underbuilt is a safety and liability problem.

2. How wide is your crossing?

Measure the gap you actually need to span — bank to bank — and then add margin. Two things people underestimate here:

  • High water and erosion: Creeks and washes widen over time and swell during storms. Set your abutments back from the current edge and span the channel at its realistic high-water width, not its dry-day width.
  • Approach grade: You need stable, gently sloped ground on both ends so vehicles can get on and off the bridge cleanly.

Shorter spans give you the most flexibility and the lowest cost. As spans get longer or loads get heavier, a steel truss bridge becomes the efficient answer — the truss design carries longer distances without intermediate piers, which keeps it out of the water and reduces foundation work.

3. What are your site conditions?

The crossing itself determines how straightforward (and affordable) installation will be. Walk the site and look at:

  • Bank stability and soil: Firm, stable banks make for simple, cheaper foundations. Soft or sandy soil may call for deeper footings or piers.
  • Water flow and flooding: How high does the water get, and how fast does it move? This affects span length, abutment placement, and clearance under the bridge.
  • Delivery and equipment access: Can a truck and an excavator or crane reach the crossing? Tight or remote access is workable but worth planning for early.

Matching your needs to the right bridge

Once you’ve answered the three questions, here’s where most properties land:

  • Trail & pedestrian bridges — Foot traffic, trails, parks, light recreational use. Attractive arched steel that complements the landscape.
  • Prefab utility bridges & kits — The most cost-efficient drivable option. Our patent-pending bolt-together kits, including the Bridge-in-a-Box™, ship ready to assemble for light vehicle access across creeks, ditches, and low-water crossings.
  • Vehicular bridges — Engineered for trucks, tractors, livestock trailers, and heavy equipment. Built to your required load rating.
  • Steel truss bridges — Longer spans and heavier loads, with the durability and clean look that suits golf courses, resorts, and showcase property entrances.

Don’t overlook these

Three things that catch property owners off guard:

  • Permitting: If your crossing affects a regulated waterway, you may need a permit. Many private crossings on small drainages are straightforward, but check local requirements before you break ground — and start early, since review can run alongside fabrication.
  • Budget the whole project, not just the bridge: Foundations, delivery, and installation are part of the real cost. A cheaper bridge that needs extensive site work isn’t always the cheaper project.
  • Plan for the future: If there’s any chance you’ll run heavier equipment, sell off acreage, or share access down the road, build for that now. Upsizing later means replacing the whole structure.

A simple way to decide

If you only remember one thing: match the bridge to the heaviest load that will ever cross, span the gap at its high-water width, and confirm your banks can support the foundations. Answer those and you’re 90% of the way to the right bridge. The last 10% — exact load rating, foundation design, and pricing — is where we come in.

Frequently asked questions

What size bridge do I need to cross a creek?

Span the creek at its realistic high-water width, not its dry width, and set abutments back from the eroding edge. For load, size to the heaviest vehicle or equipment that will ever cross. When in doubt, size up.

What’s the most affordable bridge for light vehicle access?

A prefabricated utility bridge or bolt-together kit is typically the most cost-efficient way to get drivable access across a small crossing. Kits ship ready to assemble, which keeps installation costs down.

How do I know what load rating I need?

Identify the heaviest load that will ever cross — a loaded grain truck, a tractor, a fire truck — and rate the bridge for that, not for everyday traffic. Underbuilding is a safety and liability risk.

Do I need a permit to build a bridge on my property?

It depends on your location and whether the crossing affects a regulated waterway. Many private crossings are straightforward, but always confirm local requirements before construction.

How long does installation take?

The bridge span is often set in a single day once foundations are ready, with the full project typically running from a few days to two weeks depending on site conditions.

Still not sure which bridge fits your property? That’s exactly what we’re here for. Tell us about your crossing — the load, the span, and the site — and we’ll point you to the right solution and a real price. Request a quote to get started.

How Long Does It Take to Install a Prefabricated Bridge?

Written by Cameron Henry on . Posted in Uncategorized.

Most prefabricated steel bridges are set in place in a single day, with the full process — from site prep to a crossing you can drive across — typically taking anywhere from a few days to two weeks. The bridge itself often lands in hours. What stretches the timeline is everything around it: the foundations, the weather, and how ready your site is. Because the span is built and welded in a controlled shop before it ever reaches your property, the slow, weather-dependent work of pouring and curing a bridge on-site is almost entirely removed.

Here’s a realistic look at what goes into the timeline, what speeds it up, and what slows it down.

How long does prefab bridge installation actually take?

For a private or light-commercial crossing, the on-site work generally breaks down like this:

  • Setting the bridge: Often just a few hours once the foundations are ready. A crane or excavator lifts the prefabricated span into position and crews bolt it down.
  • Foundation work: 1–5 days, depending on whether you’re using simple concrete footings, helical piers, or a prepared gravel base.
  • Finishing: Decking, railings, and approach grading usually add another day or two.

By contrast, a traditional cast-in-place concrete bridge of similar size can take several weeks to a few months, largely because concrete has to be formed, poured, and cured on-site before it can carry any load.

What does the installation process look like, step by step?

1. Site evaluation and foundations

Before anything is set, the crossing point is assessed for span length, bank stability, and how water moves through the channel during high flow. Foundations — concrete footings, abutments, or piers — are then prepared to match. This is the single biggest variable in your timeline, because it depends on soil conditions and the foundation type your site calls for.

2. Delivery to your property

Your bridge is fabricated off-site and shipped to you ready to install. Smaller spans frequently arrive in one piece, fully assembled, which removes field welding and on-site fabrication from the equation entirely.

3. Setting the span

With foundations cured and ready, the bridge is lifted into place. Many of our crossings can be set with a small crew and standard lifting equipment — an excavator or a modestly sized crane — rather than the heavy specialized fleet a poured structure demands.

4. Decking, railings, and final grading

Once the span is anchored, the driving or walking surface is finished, safety railings are installed, and the approaches are graded so the transition onto the bridge is smooth. After a final inspection, the crossing is ready for use.

What affects your installation timeline?

Several factors can shorten or extend the schedule:

  • Foundation type: A simple footing on stable ground is fast. Deep piers in soft or rocky soil take longer.
  • Site access: Easy equipment access to the bank speeds everything up. Remote or rugged sites add staging time.
  • Weather: Concrete foundations need dry conditions to cure properly, and high water can pause work.
  • Span size and load rating: A pedestrian trail bridge goes in faster than a heavy vehicular crossing rated for loaded equipment.
  • Permitting: If your crossing affects a regulated waterway, permit review can run in parallel but should be started early.

Why does prefab install so much faster than a poured bridge?

The speed advantage comes down to where the work happens. With a prefabricated steel bridge, the structure is engineered and built in a shop under controlled conditions, then delivered complete. Connections are bolted rather than welded in the field, which means less skilled labor and less equipment on your site. A cast-in-place bridge, by comparison, turns your property into the construction site — forms, rebar, poured concrete, and days of curing all happen at the crossing, exposed to weather the entire time.

What crew and equipment do you need on-site?

For most private and light-commercial crossings, you don’t need a specialized bridge crew. A small team with an excavator or compact crane can handle the set, and the bolt-together design means no field welding. That’s a meaningful cost difference on top of the time savings, because you’re not mobilizing a large crew or renting heavy equipment for weeks.

Frequently asked questions

Can a prefab bridge be installed in one day?

The span itself is frequently set in a single day. The full project timeline depends on foundation work, which is prepared before the bridge arrives. If your footings are ready, set day can be remarkably quick.

Do I need a crane to install a prefabricated bridge?

Not always. Smaller spans can be placed with an excavator, while larger or heavier bridges call for a crane sized to the lift. The right equipment depends on the weight and reach your specific crossing requires.

How far in advance should I order?

Because your bridge is built to your span and load requirements, fabrication lead time is the main thing to plan around. Reaching out early lets us align fabrication with your foundation schedule so the two are ready at the same time.

Will I need a permit?

It depends on your location and whether the crossing affects a regulated waterway. Many private crossings on small drainages are straightforward, but it’s always worth checking local requirements before you break ground.

Ready to put a timeline on your crossing? Every site is different, and the fastest way to get a real schedule is to tell us about yours. Request a quote and we’ll help you map out foundations, delivery, and set day for your property.

Steel vs. Concrete Bridge: Which Is Right for Your Property?

Written by Cameron Henry on . Posted in Uncategorized.

For most private, agricultural, and light-commercial crossings, a prefabricated steel bridge is the better choice — it installs faster, costs less to build and maintain over its life, and spans longer distances with smaller foundations. Concrete still makes sense for certain heavy highway structures and decorative architectural spans, but for a creek, ditch, or low-water crossing on your property, steel almost always wins on speed, cost, and long-term value.

Here’s how the two materials really compare across the things that matter.

Steel vs. concrete bridge: the quick comparison

At a glance:

  • Installation speed: Steel is dramatically faster — often set in a day versus weeks of forming, pouring, and curing for cast-in-place concrete.
  • Upfront cost: Competitive, and frequently lower for steel once you factor in smaller foundations and less site labor.
  • Lifespan: Both are long-lived; galvanized steel spans routinely last 75–100+ years.
  • Maintenance: Galvanized steel needs very little; concrete can crack, spall, and need repair over time.
  • Span length: Steel’s strength-to-weight ratio lets it cross longer distances without intermediate piers.

Cost: upfront price vs. lifetime cost

It’s easy to compare two bridges by sticker price alone, but that misses where the real money is. Steel’s light weight means smaller, simpler foundations and less heavy equipment on-site — savings that show up before the bridge is even set. Over the full life of the structure, independent life-cycle studies have found galvanized steel bridges can be cost-competitive with, and sometimes cheaper than, the best concrete alternatives, in part because future maintenance costs are so much lower.

A poured concrete bridge can look cheaper on paper but carry hidden costs: more extensive foundations to support its weight, a longer construction schedule, and crack-and-spall repairs down the road.

Installation speed

This is steel’s clearest advantage for property owners. A prefabricated steel bridge is built in a shop and delivered ready to install, so the span itself can often be set in a single day. A cast-in-place concrete bridge has to be formed, reinforced, poured, and cured at the crossing — a process exposed to weather that commonly runs several weeks or more. If you need access restored quickly, steel is the obvious pick.

Lifespan and durability

Both materials last a long time when designed and maintained properly. Permanent bridges are typically engineered to a 75-year design service life, and in long-term studies of in-service bridges, steel I-beam structures showed among the longest average lifespans — with many galvanized steel bridges expected to perform well beyond 100 years. Steel also holds up well under extreme events like earthquakes, thanks to its strength and flexibility, and it’s the most recycled structural material in the world.

Maintenance

Here’s where the long-term gap opens up. A hot-dip galvanized steel bridge resists corrosion for decades with minimal upkeep — the zinc coating does the work. Concrete, by contrast, is prone to cracking, spalling, and rebar corrosion over time, especially where water and freeze-thaw cycles are involved, and those repairs add up. Life-cycle research has put the present value of future maintenance for galvanized steel at roughly half that of comparable concrete structures.

When does concrete make sense?

Steel isn’t the answer to every bridge. Concrete has real strengths and is the right call in specific cases:

  • Heavy, high-volume highway structures where mass and stiffness are design priorities.
  • Architectural or decorative spans where concrete can be molded into custom shapes and finishes.
  • Very short, simple culvert-style crossings where a precast box may be the most economical option.

For the kind of crossings most landowners, farms, ranches, golf courses, and developers need, though, those advantages rarely outweigh steel’s speed and life-cycle savings.

So which should you choose?

Choose a prefabricated steel bridge if you want fast installation, lower lifetime cost, minimal maintenance, and a longer clear span over a creek, ditch, or wash. Consider concrete if you’re building a heavy highway-grade structure, need a custom architectural form, or are crossing a very short span where a precast culvert fits. For nearly everything in between — the private and commercial crossings we build every day — steel is the stronger value.

Frequently asked questions

Is a steel bridge cheaper than a concrete bridge?

Often, yes — especially over the full life of the structure. Steel’s light weight reduces foundation and labor costs upfront, and its low maintenance keeps lifetime costs down. Exact pricing depends on span, load rating, and site conditions.

How long does a steel bridge last?

Permanent bridges are generally designed for at least 75 years, and galvanized steel spans frequently last well beyond 100 years with minimal maintenance.

Do steel bridges rust?

Properly galvanized or coated steel is highly corrosion-resistant. The zinc layer on hot-dip galvanized steel protects the structure for decades before any significant maintenance is needed.

Which installs faster, steel or concrete?

Steel, by a wide margin. A prefabricated steel span can often be set in a day, while a cast-in-place concrete bridge typically takes weeks to form, pour, and cure on-site.

Not sure which is right for your crossing? Tell us about your span, your load needs, and your site, and we’ll help you weigh the options. Request a quote and get a straight answer for your property.