US Bridges

Airport Road over Salzer Creek

Good

Lewis County, Washington · 0.5 NW Chehalis · Structure no. 082508000000000

Built
1952
73 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
61 ft
2 main spans
Daily traffic
7,230
2021 count
Owner
County
County Highway Agency

About this bridge

Airport Road over Salzer Creek is a concrete stringer/multi-beam or girder carrying Airport Road over Salzer Creek in Lewis County, Washington. It was built in 1952, so it is 73 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 7,230 vehicles a day, roughly 7% of them trucks, projected to reach 13,059 by 2041. The structure is 61 ft (18.6 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAirport Road
CrossesSalzer Creek
Location0.5 NW Chehalis
RouteCounty Highway 91026
CountyLewis County
StateWashington
Coordinates46.69167, -122.97114
Functional classUrban Collector

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length61 ft (18.6 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,230 (2021)
Projected traffic13,059 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Airport Road over Salzer Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Airport Road over Salzer 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 February 2024.

How much traffic does Airport Road over Salzer Creek carry?

About 7,230 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Airport Road over Salzer Creek?

The structure is 61 ft (18.6 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Airport Road over Salzer Creek?

It is owned by the County Highway Agency.