US Bridges

Alley over China Creek

Good

Lewis County, Washington · 0.1 West of Rock ST · Structure no. 089120000000000

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
28
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alley over China Creek is a prestressed concrete slab carrying Alley over China Creek in Lewis County, Washington. It was built in 2011, so it is 14 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 28 vehicles a day, roughly 37% of them trucks, projected to reach 33 by 2043. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAlley
CrossesChina Creek
Location0.1 West of Rock ST
RouteCity Street 18023
Coordinates46.71778, -122.95861
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2021)
Projected traffic33 by 2043
Trucks37%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alley over China Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Alley 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 November 2023.

How much traffic does Alley over China Creek carry?

About 28 vehicles per day (2021 count), of which roughly 37% are trucks.

How long is Alley over China Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Alley over China Creek?

It is owned by the City or Municipal Highway Agency.