US Bridges

FR Cnty RD 314 over Big Wind River

PoorPosted for load

Fremont County, Wyoming · 20 MI SE of Dubois · Structure no. ELJ

Built
1920
105 years old
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
154 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

FR Cnty RD 314 over Big Wind River is a steel truss - thru carrying FR Cnty RD 314 over Big Wind River in Fremont County, Wyoming. It was built in 1920, so it is 105 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 8% of them trucks, projected to reach 56 by 2043. The structure is 154 ft (46.9 m) long and 16 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFR Cnty RD 314
CrossesBig Wind River
Location20 MI SE of Dubois
RouteCounty Highway 314
StateWyoming
Coordinates43.4342, -109.36069
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating26.9 US tons
Inventory rating17.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length154 ft (46.9 m)
Longest span99 ft (30.2 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic56 by 2043
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$549,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FR Cnty RD 314 over Big Wind River built?

It was built in 1920, making it 105 years old in 2025.

What condition is FR Cnty RD 314 over Big Wind River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does FR Cnty RD 314 over Big Wind River carry?

About 40 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FR Cnty RD 314 over Big Wind River?

The structure is 154 ft (46.9 m) long with a longest span of 99 ft (30.2 m) and a deck 16 ft wide.

Who owns FR Cnty RD 314 over Big Wind River?

It is owned by the County Highway Agency.