US Bridges

River DR over Creek

Fair

Linn County, Oregon · 026 MI E CR 718 · Structure no. 11969 071900293

Built
1961
64 years old, rebuilt 1998
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
67 ft
3 main spans
Daily traffic
772
2021 count
Owner
County
County Highway Agency

About this bridge

River DR over Creek is a prestressed concrete slab carrying River DR over Creek in Linn County, Oregon. It was built in 1961 and reconstructed in 1998, so it is 64 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.

It carries about 772 vehicles a day, roughly 10% of them trucks, projected to reach 927 by 2041. The structure is 67 ft (20.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRiver DR
CrossesCreek
Location026 MI E CR 718
RouteCounty Highway A0474
StateOregon
Coordinates44.51141, -122.85387
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic772 (2021)
Projected traffic927 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 River DR over Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1998.

What condition is River DR over 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 June 2023.

How much traffic does River DR over Creek carry?

About 772 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is River DR over Creek?

The structure is 67 ft (20.4 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns River DR over Creek?

It is owned by the County Highway Agency.