US Bridges

Wykagyl RD over Lapin Creek

Fair

Custer County, Colorado · Just N of Airport Road · Structure no. CUCO 0.10-8

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Steel
Length
25 ft
1 main span
Daily traffic
127
2022 count
Owner
County
County Highway Agency

About this bridge

Wykagyl RD over Lapin Creek is a steel arch - deck carrying Wykagyl RD over Lapin Creek in Custer County, Colorado. It was built in 1980, so it is 45 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 127 vehicles a day, roughly 2% of them trucks, projected to reach 162 by 2042. The structure is 25 ft (7.6 m) long and 51 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesWykagyl RD
CrossesLapin Creek
LocationJust N of Airport Road
RouteCounty Highway 0
Coordinates38.01824, -105.34985
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width51 ft (15.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2022)
Projected traffic162 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wykagyl RD over Lapin Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Wykagyl RD over Lapin Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Wykagyl RD over Lapin Creek carry?

About 127 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Wykagyl RD over Lapin Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 51 ft wide.

Who owns Wykagyl RD over Lapin Creek?

It is owned by the County Highway Agency.