US Bridges

US 101 over Bear River

Fair

Pacific County, Washington · 5.2 N JCT SR 103 · Structure no. 0005195A0000000

Built
1956
69 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
212 ft
4 main spans
Daily traffic
1,911
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Bear River is a concrete continuous slab carrying US 101 over Bear River in Pacific County, Washington. It was built in 1956, so it is 69 years old, older than the Washington average of 49.8 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 1,911 vehicles a day, roughly 10% of them trucks, projected to reach 2,241 by 2039. The structure is 212 ft (64.6 m) long and 32 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesUS 101
CrossesBear River
Location5.2 N JCT SR 103
RouteU.S. Route 101
CountyPacific County
StateWashington
Coordinates46.34856, -123.95803
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length212 ft (64.6 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,911 (2023)
Projected traffic2,241 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 101 over Bear River built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 101 over Bear River 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 April 2024.

How much traffic does US 101 over Bear River carry?

About 1,911 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 101 over Bear River?

The structure is 212 ft (64.6 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns US 101 over Bear River?

It is owned by the State Highway Agency.