US Bridges

US101(HWY009) over Mussel Creek

Fair

Curry County, Oregon · 12.1 MI S HWY 251 JCT · Structure no. 02387A009 31315

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
75 ft
3 main spans
Daily traffic
2,625
2022 count
Owner
State
State Highway Agency

About this bridge

US101(HWY009) over Mussel Creek is a concrete tee beam carrying US101(HWY009) over Mussel Creek in Curry 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 2,625 vehicles a day, roughly 20% of them trucks, projected to reach 2,700 by 2042. The structure is 75 ft (22.9 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS101(HWY009)
CrossesMussel Creek
Location12.1 MI S HWY 251 JCT
RouteU.S. Route 101
StateOregon
Coordinates42.61303, -124.39346
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,625 (2022)
Projected traffic2,700 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US101(HWY009) over Mussel Creek built?

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

What condition is US101(HWY009) over Mussel 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 May 2023.

How much traffic does US101(HWY009) over Mussel Creek carry?

About 2,625 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US101(HWY009) over Mussel Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.

Who owns US101(HWY009) over Mussel Creek?

It is owned by the State Highway Agency.