US Bridges

US 12 over Railroad

Fair

Grays Harbor County, Washington · 13.0 E JCT SR 8 · Structure no. 0001576B0000000

Built
1932
93 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
163 ft
3 main spans
Daily traffic
5,851
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 over Railroad is a concrete tee beam carrying US 12 over Railroad in Grays Harbor County, Washington. It was built in 1932, so it is 93 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 5,851 vehicles a day, roughly 13% of them trucks, projected to reach 6,831 by 2039. The structure is 163 ft (49.7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 12
CrossesRailroad
Location13.0 E JCT SR 8
RouteU.S. Route 12
CountyGrays Harbor County
StateWashington
Coordinates46.84793, -123.24856
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length163 ft (49.7 m)
Longest span54 ft (16.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,851 (2023)
Projected traffic6,831 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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$2.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 12 over Railroad built?

It was built in 1932, making it 93 years old in 2025.

What condition is US 12 over Railroad 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 12 over Railroad carry?

About 5,851 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 12 over Railroad?

The structure is 163 ft (49.7 m) long with a longest span of 54 ft (16.5 m) and a deck 27 ft wide.

Who owns US 12 over Railroad?

It is owned by the State Highway Agency.