US Bridges

Willow Creek Road over Dry Creek

Fair

Amador County, California · 1.6 MI N of SH 124 · Structure no. 26C0015

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
94 ft
2 main spans
Daily traffic
690
2013 count
Owner
County
County Highway Agency

About this bridge

Willow Creek Road over Dry Creek is a concrete continuous tee beam carrying Willow Creek Road over Dry Creek in Amador County, California. It was built in 1951, so it is 74 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 690 vehicles a day, roughly 3% of them trucks, projected to reach 1,479 by 2042. The structure is 94 ft (28.7 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesWillow Creek Road
CrossesDry Creek
Location1.6 MI N of SH 124
RouteCounty Highway 0
Coordinates38.41361, -120.90292
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.
Superstructure7 GoodSome minor problems.
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 inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2013)
Projected traffic1,479 by 2042
Trucks3%
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 Willow Creek Road over Dry Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Willow Creek Road over Dry Creek 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 April 2024.

How much traffic does Willow Creek Road over Dry Creek carry?

About 690 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Willow Creek Road over Dry Creek?

The structure is 94 ft (28.7 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Willow Creek Road over Dry Creek?

It is owned by the County Highway Agency.