ADA Ramps and Accessible Routes in Casper, Wyoming

An accessible route is measured in fractions of a percent. A ramp that runs at 8.5 percent when the limit is 8.33 percent is not compliant, and the owner learns that when the inspector puts a level on it. We build ramps, curb ramps, landings and accessible routes that meet the drawn slopes, and we check them with a digital level before the concrete sets.

The scope includes curb ramps, building entry ramps, sidewalks with accessible slopes, parking space access aisles, truncated dome panels and landing pads. Some are small, a single corner ramp. Others are long routes tied into a campus, a plaza or a downtown streetscape. In every case the cross-slope, running slope and landing size must be right.

Concrete work is permanent, and a bad ramp has to be removed and rebuilt. We form, pour and finish accessible routes with that in mind, because the cost of getting it right the first time is small compared with the cost of a redo.

Slopes, landings and warnings

Accessible routes follow the federal accessibility standards and the project drawings. Typical limits include a maximum running slope of 1:12 for ramps, a maximum cross-slope of 1:48 for walks, landings at the top and bottom of ramps, handrails on longer runs and detectable warnings at street crossings. The architect or civil engineer sets the details, and we build to them.

The City of Casper requires engineered drawings and, for many commercial permits, Planning and Zoning approval. Public sidewalks and curb ramps also fall under local public works standards. We check the drawings for conflicts between ramp slopes and existing grades and raise them before pouring, because a ramp that does not fit on paper will not fit in the field.

What we build

A curb ramp starts with excavation and base. We shape the forms to match the slope and the flares, set rebar or fibers as specified and pour the concrete. The surface is finished with a broom texture across the slope for traction, and the detectable warning surface is set into fresh concrete or installed as specified. Edges and joints are tooled to be smooth.

Building entry ramps are poured with the landings and walls in a planned sequence. The top landing is often tied to the building slab by dowels. Handrails get sleeves or plates set in the concrete, and we coordinate with the railing contractor so the posts land in the right place. Sloped walkways that tie into the route are formed and graded to hold the cross-slope along their full length.

Curb ramps that meet a street need coordination with the curb line. The trade team for curb and gutter forms the gutter pan and flares so water moves past the ramp, not across it. Water that ponds at the bottom of a ramp freezes in winter and becomes a hazard, so we set the flow line and check it with water before the pour is closed out.

Where accessible routes matter most

Every public building, school and clinic depends on accessible routes. Schools and colleges, government and municipal buildings and medical offices have the most scrutiny, because they serve the public daily and are inspected closely. Retail centers and hotels also need accessible paths from parking to the front door.

Casper College occupies more than 200 acres and 28 buildings on a hill between Casper Mountain and the North Platte River, and a campus on a slope is a lesson in route planning. The campus must connect parking, buildings and outdoor spaces with accessible routes while keeping slopes within limits. We pour and check sections as we go so one out-of-tolerance section does not ruin the whole run. Schools also bring pickup lanes, bus loops and playground edges where accessible routes meet other uses, and we plan the pour order so those areas stay usable between phases.

Existing conditions and tie-ins

Most ramp work happens on sites with existing curbs, utilities and trees. Before we form, we locate utility boxes, drains and poles in the path. If a utility box sits inside the ramp, it must be relocated or the ramp redesigned. We tell the owner before the pour, not after, and we hold the slab until the issue is resolved. Municipal and public works owners often ask for this kind of survey in advance, with photos and a marked-up plan.

Weather affects accessible routes more than people expect. Ice on a ramp is a hazard, so surface texture and drainage matter. We slope surfaces to drain and avoid ponding at landings. The Old Yellowstone District in downtown Casper runs under a form-based code, and its sidewalks and plazas have to meet design rules and accessibility standards at once.

Checking as we pour

We use a digital level with a smart level function during forming and again after the first screed pass. The foreman measures running slope, cross-slope and landing flatness while the concrete is still workable, so corrections can be made. After the cure, we check the finished surface and record the measurements for the owner.

Finishing a ramp is hands-on. The surface must be non-slip but not so rough that it traps debris or catches a cane tip. Joint patterns are laid out so that panels do not create lips. Detectable warnings are set to the correct depth and spacing. The trade team for sidewalks and flatwork handles the connecting walks so the whole route is built by one team under one standard.

Send the route plan

Send the grading plan, curb ramp details and detectable warning specs. We will review slopes, flag conflicts and give you a price that includes checking and records.

Questions Owners Ask

What slope is allowed on an accessible ramp?

Ramps generally may not exceed a 1:12 running slope (about 8.33 percent), with a maximum rise per run and landings between runs. Cross-slopes on walks are limited to 1:48 (about 2 percent). The project drawings may be stricter, and local rules apply.

Who inspects accessible routes?

The building official or public works inspector usually checks slopes, landings and warnings. Some projects also use a third-party accessibility specialist. We measure and record our work so any inspector can verify it.

What if the ramp fails inspection?

The fix is usually removal and replacement of the failed section. Grinding can fix tiny errors but cannot add or remove slope reliably. That is why we check before and during the pour.

Do detectable warnings have to be installed in fresh concrete?

Many products are cast in place while the concrete is plastic, which gives the best bond. Others can be retrofitted with adhesive and fasteners. The product manufacturer sets the method, and we follow it.

Can existing walks be made compliant?

Sometimes with grinding, but often they need partial removal and a new pour with corrected slopes. We survey the existing route, mark the out-of-tolerance sections and give you options and prices.

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