US Bridges

LA Cnty RD 150-6 over Horse Creek

Fair

Laramie County, Wyoming · 3 Mi. N.W. of Meridan · Structure no. DPC

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

LA Cnty RD 150-6 over Horse Creek is a prestressed concrete tee beam carrying LA Cnty RD 150-6 over Horse Creek in Laramie County, Wyoming. It was built in 1972, so it is 53 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 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 20 vehicles a day, projected to reach 28 by 2043. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA Cnty RD 150-6
CrossesHorse Creek
Location3 Mi. N.W. of Meridan
RouteCounty Highway 150-6
CountyLaramie County
StateWyoming
Coordinates41.55899, -104.36909
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic28 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA Cnty RD 150-6 over Horse Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA Cnty RD 150-6 over Horse 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 150-6 over Horse Creek carry?

About 20 vehicles per day (2024 count).

How long is LA Cnty RD 150-6 over Horse Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 24 ft wide.

Who owns LA Cnty RD 150-6 over Horse Creek?

It is owned by the County Highway Agency.