US Bridges

C-853 Non-Fa over Powder River

Good

Baker County, Oregon · 4.7 MI NW JCT ORE86 · Structure no. 16290 853 00471

Built
1976
49 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
196
2020 count
Owner
County
County Highway Agency

About this bridge

C-853 Non-Fa over Powder River is a prestressed concrete box beam or girders - multiple carrying C-853 Non-Fa over Powder River in Baker County, Oregon. It was built in 1976, so it is 49 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 196 vehicles a day, roughly 2% of them trucks, projected to reach 226 by 2025. The structure is 101 ft (30.8 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesC-853 Non-Fa
CrossesPowder River
Location4.7 MI NW JCT ORE86
RouteCounty Highway C0853
StateOregon
Coordinates44.8375, -117.5299
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
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
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating63.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span98 ft (29.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2020)
Projected traffic226 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 C-853 Non-Fa over Powder River built?

It was built in 1976, making it 49 years old in 2025.

What condition is C-853 Non-Fa over Powder 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 October 2024.

How much traffic does C-853 Non-Fa over Powder River carry?

About 196 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is C-853 Non-Fa over Powder River?

The structure is 101 ft (30.8 m) long with a longest span of 98 ft (29.9 m) and a deck 32 ft wide.

Who owns C-853 Non-Fa over Powder River?

It is owned by the County Highway Agency.