US Bridges

CO Cnty RD 36 over Laprele Creek

FairPosted for load

Converse County, Wyoming · 7 Miles West of Douglas · Structure no. DTC

Built
1926
99 years old, rebuilt 1952
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
103 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

CO Cnty RD 36 over Laprele Creek is a concrete tee beam carrying CO Cnty RD 36 over Laprele Creek in Converse County, Wyoming. It was built in 1926 and reconstructed in 1952, so it is 99 years old, older than the Wyoming average of 48.4 years.

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

It carries about 20 vehicles a day, roughly 5% of them trucks, projected to reach 28 by 2043. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCO Cnty RD 36
CrossesLaprele Creek
Location7 Miles West of Douglas
RouteCounty Highway 36
CountyConverse County
StateWyoming
Coordinates42.78337, -105.54657
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.2 US tons
Inventory rating12.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length103 ft (31.4 m)
Longest span33 ft (10.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic28 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$46,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Cnty RD 36 over Laprele Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1952.

What condition is CO Cnty RD 36 over Laprele 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 September 2024.

How much traffic does CO Cnty RD 36 over Laprele Creek carry?

About 20 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CO Cnty RD 36 over Laprele Creek?

The structure is 103 ft (31.4 m) long with a longest span of 33 ft (10.1 m) and a deck 33 ft wide.

Who owns CO Cnty RD 36 over Laprele Creek?

It is owned by the County Highway Agency.