US Bridges

Bidwell Road over N Powder R (bidwell Lane

FairPosted for load

Baker County, Oregon · 158 MI N JCT CO RD #518 · Structure no. 00661 113501579

Built
1929
96 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
55 ft
1 main span
Daily traffic
53
2020 count
Owner
County
County Highway Agency

About this bridge

Bidwell Road over N Powder R (bidwell Lane is a steel truss - thru carrying Bidwell Road over N Powder R (bidwell Lane in Baker County, Oregon. It was built in 1929, so it is 96 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 53 vehicles a day, roughly 5% of them trucks, projected to reach 63 by 2025. The structure is 55 ft (16.8 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBidwell Road
CrossesN Powder R (bidwell Lane
Location158 MI N JCT CO RD #518
RouteCounty Highway C1135
StateOregon
Coordinates45.02411, -117.91915
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2020)
Projected traffic63 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bidwell Road over N Powder R (bidwell Lane built?

It was built in 1929, making it 96 years old in 2025.

What condition is Bidwell Road over N Powder R (bidwell Lane in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Bidwell Road over N Powder R (bidwell Lane carry?

About 53 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Bidwell Road over N Powder R (bidwell Lane?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 25 ft wide.

Who owns Bidwell Road over N Powder R (bidwell Lane?

It is owned by the County Highway Agency.