US Bridges

Access Road over Mox Chehalis Creek

Good

Grays Harbor County, Washington · 3.8 E JCT SR 108 · Structure no. 0006296A0000000

Built
1960
65 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete
Length
46 ft
3 main spans
Daily traffic
20
2017 count
Owner
State
State Highway Agency

About this bridge

Access Road over Mox Chehalis Creek is a concrete slab carrying Access Road over Mox Chehalis Creek in Grays Harbor County, Washington. It was built in 1960, so it is 65 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 25 by 2037. The structure is 46 ft (14 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAccess Road
CrossesMox Chehalis Creek
Location3.8 E JCT SR 108
RouteState Lands Road 8
Coordinates47.05348, -123.2089
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length46 ft (14 m)
Longest span32 ft (9.8 m)
Deck width21 ft (6.3 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2017)
Projected traffic25 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$437,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Access Road over Mox Chehalis Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Access Road over Mox Chehalis 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 September 2021.

How much traffic does Access Road over Mox Chehalis Creek carry?

About 20 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Access Road over Mox Chehalis Creek?

The structure is 46 ft (14 m) long with a longest span of 32 ft (9.8 m) and a deck 21 ft wide.

Who owns Access Road over Mox Chehalis Creek?

It is owned by the State Highway Agency.