US Bridges

IRR BIA RTE 2 over Jefferson Creek

Good

Jefferson County, Oregon · 40 KM SW of Warm Springs · Structure no. 00000000000P938

Built
1976
49 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
80
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 2 over Jefferson Creek is a prestressed concrete slab carrying IRR BIA RTE 2 over Jefferson Creek in Jefferson County, Oregon. It was built in 1976, so it is 49 years old, younger than the Oregon average of 49.9 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 80 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2043. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesIRR BIA RTE 2
CrossesJefferson Creek
Location40 KM SW of Warm Springs
RouteFederal Lands Road 2
StateOregon
Coordinates44.56914, -121.63951
Functional classRural Local

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 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.1 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic160 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 2 over Jefferson Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is IRR BIA RTE 2 over Jefferson Creek 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 IRR BIA RTE 2 over Jefferson Creek carry?

About 80 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is IRR BIA RTE 2 over Jefferson Creek?

The structure is 60 ft (18.3 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns IRR BIA RTE 2 over Jefferson Creek?

It is owned by the Bureau of Indian Affairs.