US Bridges

15 S 08 W 26.00: over South Fork Lobster Creek

Good

Lane County, Oregon · 9.4 Miles S of HWY 34 (mp · Structure no. 0000000L1439354

Built
1975
50 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
75
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

15 S 08 W 26.00: over South Fork Lobster Creek is a prestressed concrete stringer/multi-beam or girder carrying 15 S 08 W 26.00: over South Fork Lobster Creek in Lane County, Oregon. It was built in 1975, so it is 50 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2044. The structure is 68 ft (20.7 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries15 S 08 W 26.00:
CrossesSouth Fork Lobster Creek
Location9.4 Miles S of HWY 34 (mp
RouteFederal Lands Road 0
StateOregon
Coordinates44.22667, -123.61889
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span66 ft (20.1 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic100 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$3,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 15 S 08 W 26.00: over South Fork Lobster Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is 15 S 08 W 26.00: over South Fork Lobster 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 March 2024.

How much traffic does 15 S 08 W 26.00: over South Fork Lobster Creek carry?

About 75 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 15 S 08 W 26.00: over South Fork Lobster Creek?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20.1 m) and a deck 17 ft wide.

Who owns 15 S 08 W 26.00: over South Fork Lobster Creek?

It is owned by the Bureau of Land Management.