US Bridges

Road over Lobster Creek

Fair

Benton County, Oregon · No Data Entered · Structure no. 061203000001150

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
4
1996 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Lobster Creek is a concrete continuous frame carrying Road over Lobster Creek in Benton 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 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.

It carries about 4 vehicles a day, projected to reach 6 by 2045. The structure is 154 ft (46.9 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesRoad
CrossesLobster Creek
LocationNo Data Entered
RouteFederal Lands Road 33050
CountyBenton County
StateOregon
Coordinates44.32306, -123.78583
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating27 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span80 ft (24.4 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (1996)
Projected traffic6 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Lobster Creek built?

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

What condition is Road over Lobster 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 September 2024.

How much traffic does Road over Lobster Creek carry?

About 4 vehicles per day (1996 count).

How long is Road over Lobster Creek?

The structure is 154 ft (46.9 m) long with a longest span of 80 ft (24.4 m) and a deck 17 ft wide.

Who owns Road over Lobster Creek?

It is owned by the U.S. Forest Service.