US Bridges

Ui Cnty RD 237 over Blacks Fork River

Fair

Uinta County, Wyoming · 8 Mi. N.E. of Lyman · Structure no. FGG

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
2 main spans
Daily traffic
88
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 237 over Blacks Fork River is a steel stringer/multi-beam or girder carrying Ui Cnty RD 237 over Blacks Fork River in Uinta County, Wyoming. It was built in 1986, so it is 39 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 88 vehicles a day, roughly 35% of them trucks, projected to reach 123 by 2043. The structure is 100 ft (30.5 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesUi Cnty RD 237
CrossesBlacks Fork River
Location8 Mi. N.E. of Lyman
RouteCounty Highway 237
CountyUinta County
StateWyoming
Coordinates41.41013, -110.17969
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating99 US tons
Inventory rating82 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2024)
Projected traffic123 by 2043
Trucks35%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 237 over Blacks Fork River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ui Cnty RD 237 over Blacks 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 June 2023.

How much traffic does Ui Cnty RD 237 over Blacks Fork River carry?

About 88 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is Ui Cnty RD 237 over Blacks Fork River?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 14 ft wide.

Who owns Ui Cnty RD 237 over Blacks Fork River?

It is owned by the County Highway Agency.