US Bridges

IRR BIA RTE 2 over Whiterock River

Good

Uintah County, Utah · 11 KM N of Whiterocks Ut · Structure no. 00000000000H402

Built
1968
57 years old
Condition
Good
inspected September 2024
Type
Frame
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
150
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 2 over Whiterock River is a concrete continuous frame carrying IRR BIA RTE 2 over Whiterock River in Uintah County, Utah. It was built in 1968, so it is 57 years old, older than the Utah average of 40.1 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2044. The structure is 84 ft (25.6 m) long and 28 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

CarriesIRR BIA RTE 2
CrossesWhiterock River
Location11 KM N of Whiterocks Ut
RouteFederal Lands Road 2
StateUtah
Coordinates40.53303, -109.92369
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span52 ft (15.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic180 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 2 over Whiterock River built?

It was built in 1968, making it 57 years old in 2025.

What condition is IRR BIA RTE 2 over Whiterock 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 September 2024.

How much traffic does IRR BIA RTE 2 over Whiterock River carry?

About 150 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 2 over Whiterock River?

The structure is 84 ft (25.6 m) long with a longest span of 52 ft (15.8 m) and a deck 28 ft wide.

Who owns IRR BIA RTE 2 over Whiterock River?

It is owned by the Bureau of Indian Affairs.