US Bridges

SW Cnty RD 1 over Henrys Fork River

Good

Sweetwater County, Wyoming · 45 MI SW of Green River · Structure no. LDF

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
3 main spans
Daily traffic
118
2024 count
Owner
County
County Highway Agency

About this bridge

SW Cnty RD 1 over Henrys Fork River is a steel continuous stringer/multi-beam or girder carrying SW Cnty RD 1 over Henrys Fork River in Sweetwater County, Wyoming. It was built in 2005, so it is 20 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 118 vehicles a day, roughly 7% of them trucks, projected to reach 165 by 2043. The structure is 155 ft (47.2 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSW Cnty RD 1
CrossesHenrys Fork River
Location45 MI SW of Green River
RouteCounty Highway 1
StateWyoming
Coordinates41.05209, -109.94895
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating95 US tons
Inventory rating57 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length155 ft (47.2 m)
Longest span62 ft (18.9 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2024)
Projected traffic165 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Cnty RD 1 over Henrys Fork River built?

It was built in 2005, making it 20 years old in 2025.

What condition is SW Cnty RD 1 over Henrys Fork River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does SW Cnty RD 1 over Henrys Fork River carry?

About 118 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SW Cnty RD 1 over Henrys Fork River?

The structure is 155 ft (47.2 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.

Who owns SW Cnty RD 1 over Henrys Fork River?

It is owned by the County Highway Agency.