US Bridges

LA Cnty RD 207-1 over Crow Creek

Fair

Laramie County, Wyoming · 7 Mi. N.W. of Carpenter · Structure no. DON

Built
1950
75 years old, rebuilt 1972
Condition
Fair
inspected December 2024
Type
Channel Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
67
2024 count
Owner
County
County Highway Agency

About this bridge

LA Cnty RD 207-1 over Crow Creek is a prestressed concrete channel beam carrying LA Cnty RD 207-1 over Crow Creek in Laramie County, Wyoming. It was built in 1950 and reconstructed in 1972, so it is 75 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.

It carries about 67 vehicles a day, roughly 3% of them trucks, projected to reach 94 by 2043. The structure is 40 ft (12.2 m) long and 21 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLA Cnty RD 207-1
CrossesCrow Creek
Location7 Mi. N.W. of Carpenter
RouteCounty Highway 207-1
StateWyoming
Coordinates41.10084, -104.4462
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2024)
Projected traffic94 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$266,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA Cnty RD 207-1 over Crow Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1972.

What condition is LA Cnty RD 207-1 over Crow 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 December 2024.

How much traffic does LA Cnty RD 207-1 over Crow Creek carry?

About 67 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is LA Cnty RD 207-1 over Crow Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 21 ft wide.

Who owns LA Cnty RD 207-1 over Crow Creek?

It is owned by the County Highway Agency.