US Bridges

IRR BIA RTE 8001 over Warm Springs River

Fair

Wasco County, Oregon · At Kah-Nee-Ta Hot Springs · Structure no. 00000000000P903

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
200
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 8001 over Warm Springs River is a concrete continuous stringer/multi-beam or girder carrying IRR BIA RTE 8001 over Warm Springs River in Wasco County, Oregon. It was built in 1963, so it is 62 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2043. The structure is 144 ft (43.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIRR BIA RTE 8001
CrossesWarm Springs River
LocationAt Kah-Nee-Ta Hot Springs
RouteFederal Lands Road 8001
StateOregon
Coordinates44.86192, -121.20128
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic400 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 8001 over Warm Springs River built?

It was built in 1963, making it 62 years old in 2025.

What condition is IRR BIA RTE 8001 over Warm Springs 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 8001 over Warm Springs River carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 8001 over Warm Springs River?

The structure is 144 ft (43.9 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns IRR BIA RTE 8001 over Warm Springs River?

It is owned by the Bureau of Indian Affairs.