US Bridges

Warm Spring Res RD over Malheur River (red Bridg

Good

Malheur County, Oregon · 17 M So Inter HWY 20 · Structure no. 09227A058701692

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
96
2020 count
Owner
County
County Highway Agency

About this bridge

Warm Spring Res RD over Malheur River (red Bridg is a prestressed concrete tee beam carrying Warm Spring Res RD over Malheur River (red Bridg in Malheur County, Oregon. It was built in 1986, so it is 39 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 96 vehicles a day, roughly 10% of them trucks, projected to reach 106 by 2025. The structure is 121 ft (36.9 m) long and 31 ft wide. If it were closed, the detour would be 73.3 mi (118 km).

CarriesWarm Spring Res RD
CrossesMalheur River (red Bridg
Location17 M So Inter HWY 20
RouteCounty Highway 0B484
StateOregon
Coordinates43.55619, -118.16555
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length121 ft (36.9 m)
Longest span118 ft (36 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2020)
Projected traffic106 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed73.3 mi (118 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Warm Spring Res RD over Malheur River (red Bridg built?

It was built in 1986, making it 39 years old in 2025.

What condition is Warm Spring Res RD over Malheur River (red Bridg 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 September 2023.

How much traffic does Warm Spring Res RD over Malheur River (red Bridg carry?

About 96 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Warm Spring Res RD over Malheur River (red Bridg?

The structure is 121 ft (36.9 m) long with a longest span of 118 ft (36 m) and a deck 31 ft wide.

Who owns Warm Spring Res RD over Malheur River (red Bridg?

It is owned by the County Highway Agency.