US Bridges

County RD 994 over Powder R (snake River RD

Good

Baker County, Oregon · 2.0 MI S JCT ORE80 · Structure no. 15469A994 00203

Built
1959
66 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
226
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 994 over Powder R (snake River RD is a concrete continuous tee beam carrying County RD 994 over Powder R (snake River RD in Baker County, Oregon. It was built in 1959, so it is 66 years old, older 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 226 vehicles a day, roughly 2% of them trucks, projected to reach 261 by 2025. The structure is 151 ft (46 m) long and 29 ft wide. If it were closed, the detour would be 86.4 mi (139 km).

Location

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CarriesCounty RD 994
CrossesPowder R (snake River RD
Location2.0 MI S JCT ORE80
RouteCounty Highway 0B510
CountyBaker County
StateOregon
Coordinates44.7463, -117.17261
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span58 ft (17.7 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2020)
Projected traffic261 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed86.4 mi (139 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 County RD 994 over Powder R (snake River RD built?

It was built in 1959, making it 66 years old in 2025.

What condition is County RD 994 over Powder R (snake River RD 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 October 2024.

How much traffic does County RD 994 over Powder R (snake River RD carry?

About 226 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is County RD 994 over Powder R (snake River RD?

The structure is 151 ft (46 m) long with a longest span of 58 ft (17.7 m) and a deck 29 ft wide.

Who owns County RD 994 over Powder R (snake River RD?

It is owned by the County Highway Agency.