US Bridges

Galvin Rd. over Chehalis River Overflow

Fair

Lewis County, Washington · 1.23 West JCT 91000 · Structure no. 086052000000000

Built
1993
32 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
382 ft
10 main spans
Daily traffic
1,941
2021 count
Owner
County
County Highway Agency

About this bridge

Galvin Rd. over Chehalis River Overflow is a wood or timber stringer/multi-beam or girder carrying Galvin Rd. over Chehalis River Overflow in Lewis County, Washington. It was built in 1993, so it is 32 years old, younger 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 1,941 vehicles a day, roughly 13% of them trucks, projected to reach 3,506 by 2041. The structure is 382 ft (116.5 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGalvin Rd.
CrossesChehalis River Overflow
Location1.23 West JCT 91000
RouteCounty Highway 91013
Coordinates46.73566, -123.01585
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length382 ft (116.5 m)
Longest span38 ft (11.6 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,941 (2021)
Projected traffic3,506 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Galvin Rd. over Chehalis River Overflow built?

It was built in 1993, making it 32 years old in 2025.

What condition is Galvin Rd. over Chehalis River Overflow 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 December 2023.

How much traffic does Galvin Rd. over Chehalis River Overflow carry?

About 1,941 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Galvin Rd. over Chehalis River Overflow?

The structure is 382 ft (116.5 m) long with a longest span of 38 ft (11.6 m) and a deck 36 ft wide.

Who owns Galvin Rd. over Chehalis River Overflow?

It is owned by the County Highway Agency.