US Bridges

US 12 over Camp Creek

Good

Grays Harbor County, Washington · 1.9 E JCT SR 107 · Structure no. 0019933A0000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
23,177
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 over Camp Creek is a prestressed concrete stringer/multi-beam or girder carrying US 12 over Camp Creek in Grays Harbor County, Washington. It was built in 2024, so it is 1 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,177 vehicles a day, roughly 4% of them trucks, projected to reach 26,600 by 2033. The structure is 113 ft (34.3 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 12
CrossesCamp Creek
Location1.9 E JCT SR 107
RouteU.S. Route 12
Coordinates46.98308, -123.56208
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length113 ft (34.3 m)
Longest span106 ft (32.4 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,177 (2023)
Projected traffic26,600 by 2033
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 over Camp Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is US 12 over Camp 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 October 2024.

How much traffic does US 12 over Camp Creek carry?

About 23,177 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 12 over Camp Creek?

The structure is 113 ft (34.3 m) long with a longest span of 106 ft (32.4 m) and a deck 52 ft wide.

Who owns US 12 over Camp Creek?

It is owned by the State Highway Agency.