US Bridges

US 12 over Surrey Creek

Fair

Lewis County, Washington · 2.5 E JCT SR 131 · Structure no. 0005544A0000000

Built
1958
67 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
126 ft
5 main spans
Daily traffic
2,712
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 over Surrey Creek is a concrete stringer/multi-beam or girder carrying US 12 over Surrey Creek in Lewis County, Washington. It was built in 1958, so it is 67 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 5 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 2,712 vehicles a day, roughly 19% of them trucks, projected to reach 4,281 by 2039. The structure is 126 ft (38.4 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 12
CrossesSurrey Creek
Location2.5 E JCT SR 131
RouteU.S. Route 12
Coordinates46.534, -121.90472
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span25 ft (7.6 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,712 (2023)
Projected traffic4,281 by 2039
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 over Surrey Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 12 over Surrey 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 October 2023.

How much traffic does US 12 over Surrey Creek carry?

About 2,712 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US 12 over Surrey Creek?

The structure is 126 ft (38.4 m) long with a longest span of 25 ft (7.6 m) and a deck 38 ft wide.

Who owns US 12 over Surrey Creek?

It is owned by the State Highway Agency.