US Bridges

Go Cnty RD 90 over Laramie River

Fair

Goshen County, Wyoming · 4 Mi. W. of Ft. Laramie · Structure no. FAP

Built
1972
53 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
120 ft
3 main spans
Daily traffic
138
2024 count
Owner
County
County Highway Agency

About this bridge

Go Cnty RD 90 over Laramie River is a concrete channel beam carrying Go Cnty RD 90 over Laramie River in Goshen 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 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 138 vehicles a day, roughly 11% of them trucks, projected to reach 193 by 2043. The structure is 120 ft (36.6 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGo Cnty RD 90
CrossesLaramie River
Location4 Mi. W. of Ft. Laramie
RouteCounty Highway 90
StateWyoming
Coordinates42.19996, -104.59531
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span39 ft (11.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2024)
Projected traffic193 by 2043
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$60,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Go Cnty RD 90 over Laramie River built?

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

What condition is Go Cnty RD 90 over Laramie River 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 2024.

How much traffic does Go Cnty RD 90 over Laramie River carry?

About 138 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Go Cnty RD 90 over Laramie River?

The structure is 120 ft (36.6 m) long with a longest span of 39 ft (11.9 m) and a deck 15 ft wide.

Who owns Go Cnty RD 90 over Laramie River?

It is owned by the County Highway Agency.