US Bridges

SB Cnty RD 126 over East Fork River

Fair

Sublette County, Wyoming · 10 MI SE of Boulder · Structure no. LWF

Built
2006
19 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

SB Cnty RD 126 over East Fork River is a steel stringer/multi-beam or girder carrying SB Cnty RD 126 over East Fork River in Sublette County, Wyoming. It was built in 2006, so it is 19 years old, younger 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 60 vehicles a day, roughly 25% of them trucks, projected to reach 84 by 2043. The structure is 81 ft (24.7 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSB Cnty RD 126
CrossesEast Fork River
Location10 MI SE of Boulder
RouteCounty Highway 126
StateWyoming
Coordinates42.67367, -109.56975
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span79 ft (24.1 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic84 by 2043
Trucks25%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Cnty RD 126 over East Fork River built?

It was built in 2006, making it 19 years old in 2025.

What condition is SB Cnty RD 126 over East Fork 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 July 2024.

How much traffic does SB Cnty RD 126 over East Fork River carry?

About 60 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is SB Cnty RD 126 over East Fork River?

The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24.1 m) and a deck 14 ft wide.

Who owns SB Cnty RD 126 over East Fork River?

It is owned by the County Highway Agency.