US Bridges

IRR BIA RTE 2 over Owyhee River

Fair

Elko County, Nevada · 1.5 KM SW of Owyhee · Structure no. 00000000000H302

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
92 ft
3 main spans
Daily traffic
600
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 2 over Owyhee River is a concrete stringer/multi-beam or girder carrying IRR BIA RTE 2 over Owyhee River in Elko County, Nevada. It was built in 1975, so it is 50 years old, older than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 600 vehicles a day, roughly 15% of them trucks, projected to reach 605 by 2044. The structure is 92 ft (27.9 m) long and 31 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesIRR BIA RTE 2
CrossesOwyhee River
Location1.5 KM SW of Owyhee
RouteFederal Lands Road 2
StateNevada
Coordinates41.93714, -116.101
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating34.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (27.9 m)
Longest span30 ft (9.2 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic605 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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 Owyhee River built?

It was built in 1975, making it 50 years old in 2025.

What condition is IRR BIA RTE 2 over Owyhee 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 October 2024.

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

About 600 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is IRR BIA RTE 2 over Owyhee River?

The structure is 92 ft (27.9 m) long with a longest span of 30 ft (9.2 m) and a deck 31 ft wide.

Who owns IRR BIA RTE 2 over Owyhee River?

It is owned by the Bureau of Indian Affairs.