US Bridges

Warnerville Road over Dry Creek Tributary

Fair

Stanislaus County, California · 1 MI W Crabtree RD · Structure no. 38C0307

Built
1920
105 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
94
2017 count
Owner
County
County Highway Agency

About this bridge

Warnerville Road over Dry Creek Tributary is a concrete continuous tee beam carrying Warnerville Road over Dry Creek Tributary in Stanislaus County, California. It was built in 1920, so it is 105 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 5 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 94 vehicles a day, roughly 17% of them trucks, projected to reach 109 by 2045. The structure is 32 ft (9.8 m) long and 22 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesWarnerville Road
CrossesDry Creek Tributary
Location1 MI W Crabtree RD
RouteCounty Highway 0
Coordinates37.7327, -120.60861
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2017)
Projected traffic109 by 2045
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Warnerville Road over Dry Creek Tributary built?

It was built in 1920, making it 105 years old in 2025.

What condition is Warnerville Road over Dry Creek Tributary 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 September 2023.

How much traffic does Warnerville Road over Dry Creek Tributary carry?

About 94 vehicles per day (2017 count), of which roughly 17% are trucks.

How long is Warnerville Road over Dry Creek Tributary?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 22 ft wide.

Who owns Warnerville Road over Dry Creek Tributary?

It is owned by the County Highway Agency.