US Bridges

SR 7 over Abandoned Railroad

Poor

Lewis County, Washington · 2.0 N JCT SR 508 · Structure no. 0002910A0000000

Built
1944
81 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
251 ft
6 main spans
Daily traffic
2,625
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Abandoned Railroad is a concrete continuous tee beam carrying SR 7 over Abandoned Railroad in Lewis County, Washington. It was built in 1944, so it is 81 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,625 vehicles a day, roughly 18% of them trucks, projected to reach 2,972 by 2039. The structure is 251 ft (76.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 7
CrossesAbandoned Railroad
Location2.0 N JCT SR 508
RouteState Highway 7
Coordinates46.5785, -122.25086
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length251 ft (76.5 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,625 (2023)
Projected traffic2,972 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed3.7 mi (6 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$3.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 7 over Abandoned Railroad built?

It was built in 1944, making it 81 years old in 2025.

What condition is SR 7 over Abandoned Railroad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does SR 7 over Abandoned Railroad carry?

About 2,625 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is SR 7 over Abandoned Railroad?

The structure is 251 ft (76.5 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns SR 7 over Abandoned Railroad?

It is owned by the State Highway Agency.