US Bridges

IRR Route 13 over Warm Springs River

Good

Wasco County, Oregon · 3KM SW of Kah-Nee-Ta · Structure no. 00000000000P910

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
141 ft
1 main span
Daily traffic
200
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR Route 13 over Warm Springs River is a prestressed concrete tee beam carrying IRR Route 13 over Warm Springs River in Wasco County, Oregon. It was built in 2004, so it is 21 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2043. The structure is 141 ft (43 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIRR Route 13
CrossesWarm Springs River
Location3KM SW of Kah-Nee-Ta
RouteFederal Lands Road 13
StateOregon
Coordinates44.8565, -121.14993
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length141 ft (43 m)
Longest span138 ft (42.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2043
Trucks10%
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 Route 13 over Warm Springs River built?

It was built in 2004, making it 21 years old in 2025.

What condition is IRR Route 13 over Warm Springs River 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 Route 13 over Warm Springs River carry?

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

How long is IRR Route 13 over Warm Springs River?

The structure is 141 ft (43 m) long with a longest span of 138 ft (42.2 m) and a deck 35 ft wide.

Who owns IRR Route 13 over Warm Springs River?

It is owned by the Bureau of Indian Affairs.