US Bridges

Lobster Valley RD over Little Lobster Creek

Fair

Benton County, Oregon · 0534 MI NW of HWY 201 · Structure no. 12069A000

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Lobster Valley RD over Little Lobster Creek is a concrete continuous tee beam carrying Lobster Valley RD over Little Lobster Creek in Benton County, Oregon. It was built in 1957, so it is 68 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 258 by 2040. The structure is 102 ft (31.1 m) long and 29 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesLobster Valley RD
CrossesLittle Lobster Creek
Location0534 MI NW of HWY 201
RouteCounty Highway 0
StateOregon
Coordinates44.31021, -123.72837
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic258 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Lobster Valley RD over Little Lobster Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Lobster Valley RD over Little 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 July 2024.

How much traffic does Lobster Valley RD over Little Lobster Creek carry?

About 180 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Lobster Valley RD over Little Lobster Creek?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Lobster Valley RD over Little Lobster Creek?

It is owned by the County Highway Agency.