US Bridges

C4-WALL Creek RD over Wall Creek

FairPosted for load

Grant County, Oregon · 7.4 MI N JCT State 402 · Structure no. 23C041004 00740

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
37
2020 count
Owner
County
County Highway Agency

About this bridge

C4-WALL Creek RD over Wall Creek is a prestressed concrete channel beam carrying C4-WALL Creek RD over Wall Creek in Grant County, Oregon. It was built in 1965, so it is 60 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 other load-capacity restriction.

It carries about 37 vehicles a day, projected to reach 43 by 2025. The structure is 56 ft (17.1 m) long and 16 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesC4-WALL Creek RD
CrossesWall Creek
Location7.4 MI N JCT State 402
RouteCounty Highway C0004
StateOregon
Coordinates44.88349, -119.41107
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span55 ft (16.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37 (2020)
Projected traffic43 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$287,000
NavigationNo navigation control on waterway

Frequently asked questions

When was C4-WALL Creek RD over Wall Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is C4-WALL Creek RD over Wall Creek 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 August 2023.

How much traffic does C4-WALL Creek RD over Wall Creek carry?

About 37 vehicles per day (2020 count).

How long is C4-WALL Creek RD over Wall Creek?

The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 16 ft wide.

Who owns C4-WALL Creek RD over Wall Creek?

It is owned by the County Highway Agency.