US Bridges

Anderson Road over Rainey Creek

Good

Lewis County, Washington · 1.0 S.Glenoma · Structure no. 083090000000000

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
83
2022 count
Owner
County
County Highway Agency

About this bridge

Anderson Road over Rainey Creek is a concrete continuous slab carrying Anderson Road over Rainey Creek in Lewis County, Washington. It was built in 1965, so it is 60 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 83 vehicles a day, roughly 20% of them trucks, projected to reach 150 by 2042. The structure is 59 ft (18.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAnderson Road
CrossesRainey Creek
Location1.0 S.Glenoma
RouteCounty Highway 75380
Coordinates46.50779, -122.15743
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span22 ft (6.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83 (2022)
Projected traffic150 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$678,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Anderson Road over Rainey Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Anderson Road over Rainey 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 January 2024.

How much traffic does Anderson Road over Rainey Creek carry?

About 83 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Anderson Road over Rainey Creek?

The structure is 59 ft (18.1 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Anderson Road over Rainey Creek?

It is owned by the County Highway Agency.