US Bridges

C635-ROCK CR Scl over Rock CR (rock CR Scl Ln)

FairPosted for load

Baker County, Oregon · 1.9 MI S JCT CO RD#1138 · Structure no. 01C031635 00186

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
68
2020 count
Owner
County
County Highway Agency

About this bridge

C635-ROCK CR Scl over Rock CR (rock CR Scl Ln) is a steel stringer/multi-beam or girder carrying C635-ROCK CR Scl over Rock CR (rock CR Scl Ln) 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 fair condition with a lowest component rating of 6 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 load restriction.

It carries about 68 vehicles a day, roughly 2% of them trucks, projected to reach 83 by 2025. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC635-ROCK CR Scl
CrossesRock CR (rock CR Scl Ln)
Location1.9 MI S JCT CO RD#1138
RouteCounty Highway C0635
StateOregon
Coordinates44.91411, -117.99301
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating11.5 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2020)
Projected traffic83 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 C635-ROCK CR Scl over Rock CR (rock CR Scl Ln) built?

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

What condition is C635-ROCK CR Scl over Rock CR (rock CR Scl Ln) 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 2024.

How much traffic does C635-ROCK CR Scl over Rock CR (rock CR Scl Ln) carry?

About 68 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is C635-ROCK CR Scl over Rock CR (rock CR Scl Ln)?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns C635-ROCK CR Scl over Rock CR (rock CR Scl Ln)?

It is owned by the County Highway Agency.