US Bridges

Stark Road over Westley Wasteway

Good

Stanislaus County, California · 0.7 MI S Howard RD · Structure no. 38C0187

Built
1930
95 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Concrete
Length
51 ft
1 main span
Daily traffic
158
2018 count
Owner
County
County Highway Agency

About this bridge

Stark Road over Westley Wasteway is a concrete tee beam carrying Stark Road over Westley Wasteway in Stanislaus County, California. It was built in 1930, so it is 95 years old, older than the California average of 54.8 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 158 vehicles a day, roughly 32% of them trucks, projected to reach 313 by 2042. The structure is 51 ft (15.5 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesStark Road
CrossesWestley Wasteway
Location0.7 MI S Howard RD
RouteCounty Highway 0
Coordinates37.52603, -121.21363
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.
Superstructure8 Very GoodNo problems noted.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating16.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width29 ft (8.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2018)
Projected traffic313 by 2042
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Stark Road over Westley Wasteway built?

It was built in 1930, making it 95 years old in 2025.

What condition is Stark Road over Westley Wasteway 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 August 2024.

How much traffic does Stark Road over Westley Wasteway carry?

About 158 vehicles per day (2018 count), of which roughly 32% are trucks.

How long is Stark Road over Westley Wasteway?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 29 ft wide.

Who owns Stark Road over Westley Wasteway?

It is owned by the County Highway Agency.