US Bridges

Marsh Avenue over China Creek

Good

Lewis County, Washington · 00.1 N Jct. SR507 · Structure no. 086184000000000

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
542
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marsh Avenue over China Creek is a concrete slab carrying Marsh Avenue over China Creek in Lewis County, Washington. It was built in 1994, so it is 31 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 542 vehicles a day, roughly 9% of them trucks, projected to reach 633 by 2042. The structure is 30 ft (9.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMarsh Avenue
CrossesChina Creek
Location00.1 N Jct. SR507
RouteCity Street 18006
Coordinates46.71444, -122.9715
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2024)
Projected traffic633 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marsh Avenue over China Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Marsh Avenue over China 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 October 2024.

How much traffic does Marsh Avenue over China Creek carry?

About 542 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Marsh Avenue over China Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns Marsh Avenue over China Creek?

It is owned by the City or Municipal Highway Agency.