US Bridges

Willms Road over Dry Creek Tributary

Fair

Stanislaus County, California · 0.1 MI W JCT Rock Riv RD · Structure no. 38C0278

Built
1925
100 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
52
2017 count
Owner
County
County Highway Agency

About this bridge

Willms Road over Dry Creek Tributary is a concrete continuous tee beam carrying Willms Road over Dry Creek Tributary in Stanislaus County, California. It was built in 1925, so it is 100 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 52 vehicles a day, roughly 20% of them trucks, projected to reach 207 by 2045. The structure is 41 ft (12.5 m) long and 22 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesWillms Road
CrossesDry Creek Tributary
Location0.1 MI W JCT Rock Riv RD
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.74353, -120.59553
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2017)
Projected traffic207 by 2045
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Willms Road over Dry Creek Tributary built?

It was built in 1925, making it 100 years old in 2025.

What condition is Willms 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 Willms Road over Dry Creek Tributary carry?

About 52 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is Willms Road over Dry Creek Tributary?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Willms Road over Dry Creek Tributary?

It is owned by the County Highway Agency.