US Bridges

FR Cnty RD 345 over S Fork Little Wind River

Fair

Fremont County, Wyoming · 1 MI E. of Ft Washakie · Structure no. KEM

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
62 ft
2 main spans
Daily traffic
193
2024 count
Owner
County
County Highway Agency

About this bridge

FR Cnty RD 345 over S Fork Little Wind River is a steel continuous stringer/multi-beam or girder carrying FR Cnty RD 345 over S Fork Little Wind River in Fremont County, Wyoming. It was built in 1960, so it is 65 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 193 vehicles a day, roughly 30% of them trucks, projected to reach 270 by 2043. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFR Cnty RD 345
CrossesS Fork Little Wind River
Location1 MI E. of Ft Washakie
RouteCounty Highway 345
CountyFremont County
StateWyoming
Coordinates43.00503, -108.8933
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating94.2 US tons
Inventory rating56.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193 (2024)
Projected traffic270 by 2043
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$49,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FR Cnty RD 345 over S Fork Little Wind River built?

It was built in 1960, making it 65 years old in 2025.

What condition is FR Cnty RD 345 over S Fork Little Wind 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 March 2023.

How much traffic does FR Cnty RD 345 over S Fork Little Wind River carry?

About 193 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is FR Cnty RD 345 over S Fork Little Wind River?

The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns FR Cnty RD 345 over S Fork Little Wind River?

It is owned by the County Highway Agency.