US Bridges

Wolf Creek Road over Wolf Creek

Fair

Lane County, Oregon · 120 MI S Veneta · Structure no. 39C29A407800703

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
636
2020 count
Owner
County
County Highway Agency

About this bridge

Wolf Creek Road over Wolf Creek is a prestressed concrete slab carrying Wolf Creek Road over Wolf Creek in Lane County, Oregon. It was built in 1978, so it is 47 years old, younger 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 636 vehicles a day, roughly 10% of them trucks, projected to reach 746 by 2025. The structure is 101 ft (30.8 m) long and 32 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesWolf Creek Road
CrossesWolf Creek
Location120 MI S Veneta
RouteCounty Highway A0451
StateOregon
Coordinates43.92639, -123.42022
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 rating37.1 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic636 (2020)
Projected traffic746 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 Wolf Creek Road over Wolf Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Wolf Creek Road over Wolf 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 October 2024.

How much traffic does Wolf Creek Road over Wolf Creek carry?

About 636 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Wolf Creek Road over Wolf Creek?

The structure is 101 ft (30.8 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Wolf Creek Road over Wolf Creek?

It is owned by the County Highway Agency.