US Bridges

IRR BIA RTE 30 over Beaver Creek

Fair

Wasco County, Oregon · 32 KM NW of Warm Springs · Structure no. 00000000000P913

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
40
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 30 over Beaver Creek is a prestressed concrete slab carrying IRR BIA RTE 30 over Beaver Creek in Wasco County, Oregon. It was built in 1972, so it is 53 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 40 vehicles a day, roughly 20% of them trucks, projected to reach 80 by 2043. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIRR BIA RTE 30
CrossesBeaver Creek
Location32 KM NW of Warm Springs
RouteFederal Lands Road 30
StateOregon
Coordinates45.00209, -121.49248
Functional classRural Minor 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.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic80 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 30 over Beaver Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is IRR BIA RTE 30 over Beaver Creek 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 30 over Beaver Creek carry?

About 40 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is IRR BIA RTE 30 over Beaver Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns IRR BIA RTE 30 over Beaver Creek?

It is owned by the Bureau of Indian Affairs.