US Bridges

Cox Road over Westley Wasteway

Fair

Stanislaus County, California · 0.1 MI N Frank Cox RD · Structure no. 38C0219

Built
1950
75 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
987
2019 count
Owner
County
County Highway Agency

About this bridge

Cox Road over Westley Wasteway is a concrete tee beam carrying Cox Road over Westley Wasteway in Stanislaus County, California. It was built in 1950, so it is 75 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 987 vehicles a day, roughly 14% of them trucks, projected to reach 1,224 by 2046. The structure is 43 ft (13.1 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCox Road
CrossesWestley Wasteway
Location0.1 MI N Frank Cox RD
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.55535, -121.16842
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic987 (2019)
Projected traffic1,224 by 2046
Trucks14%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cox Road over Westley Wasteway built?

It was built in 1950, making it 75 years old in 2025.

What condition is Cox Road over Westley Wasteway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Cox Road over Westley Wasteway carry?

About 987 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Cox Road over Westley Wasteway?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns Cox Road over Westley Wasteway?

It is owned by the County Highway Agency.