US Bridges

C-666 Beaver CR Lp over Powder River

Good

Baker County, Oregon · 0.14 MI E JCT HWY 7 · Structure no. 16691 C74700014

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
155
2020 count
Owner
County
County Highway Agency

About this bridge

C-666 Beaver CR Lp over Powder River is a prestressed concrete slab carrying C-666 Beaver CR Lp over Powder River in Baker County, Oregon. It was built in 1985, so it is 40 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 155 vehicles a day, roughly 2% of them trucks, projected to reach 178 by 2025. The structure is 69 ft (21 m) long and 24 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesC-666 Beaver CR Lp
CrossesPowder River
Location0.14 MI E JCT HWY 7
RouteCounty Highway C0747
StateOregon
Coordinates44.73763, -117.83197
Functional classRural Local

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; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2020)
Projected traffic178 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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-666 Beaver CR Lp over Powder River built?

It was built in 1985, making it 40 years old in 2025.

What condition is C-666 Beaver CR Lp 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-666 Beaver CR Lp over Powder River carry?

About 155 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is C-666 Beaver CR Lp over Powder River?

The structure is 69 ft (21 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns C-666 Beaver CR Lp over Powder River?

It is owned by the County Highway Agency.