US Bridges

IRR BIA RTE 2 over Whitewater River

Fair

Jefferson County, Oregon · 48KM West of Warm Springs · Structure no. 00000000000P937

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
250
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 2 over Whitewater River is a prestressed concrete tee beam carrying IRR BIA RTE 2 over Whitewater River in Jefferson County, Oregon. It was built in 1962, so it is 63 years old, older than the Oregon average of 49.9 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 250 vehicles a day, roughly 30% of them trucks, projected to reach 680 by 2043. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesIRR BIA RTE 2
CrossesWhitewater River
Location48KM West of Warm Springs
RouteFederal Lands Road 2
StateOregon
Coordinates44.71807, -121.63921
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.9 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic680 by 2043
Trucks30%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$308,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 2 over Whitewater River built?

It was built in 1962, making it 63 years old in 2025.

What condition is IRR BIA RTE 2 over Whitewater 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 IRR BIA RTE 2 over Whitewater River carry?

About 250 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is IRR BIA RTE 2 over Whitewater River?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 16 ft wide.

Who owns IRR BIA RTE 2 over Whitewater River?

It is owned by the Bureau of Indian Affairs.