US Bridges

18 S 08 W 34.00: over Wolf Creek

Good

Lane County, Oregon · 8.5 Miles S of HWY 126 (m · Structure no. 0000000L1439109

Built
1955
70 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
300
2021 count
Owner
Federal
Bureau of Land Management

About this bridge

18 S 08 W 34.00: over Wolf Creek is a concrete continuous tee beam carrying 18 S 08 W 34.00: over Wolf Creek in Lane County, Oregon. It was built in 1955, so it is 70 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2041. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Carries18 S 08 W 34.00:
CrossesWolf Creek
Location8.5 Miles S of HWY 126 (m
RouteFederal Lands Road 0
StateOregon
Coordinates43.95528, -123.62
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length120 ft (36.6 m)
Longest span75 ft (22.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic450 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 18 S 08 W 34.00: over Wolf Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 18 S 08 W 34.00: over Wolf Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does 18 S 08 W 34.00: over Wolf Creek carry?

About 300 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 18 S 08 W 34.00: over Wolf Creek?

The structure is 120 ft (36.6 m) long with a longest span of 75 ft (22.9 m) and a deck 29 ft wide.

Who owns 18 S 08 W 34.00: over Wolf Creek?

It is owned by the Bureau of Land Management.