US Bridges

Cook Road over Dry Creek

Good

Amador County, California · 1 KM W/O Old Stockton RD · Structure no. 26C0048

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
159 ft
2 main spans
Daily traffic
150
2014 count
Owner
County
County Highway Agency

About this bridge

Cook Road over Dry Creek is a prestressed concrete continuous box beam or girders - multiple carrying Cook Road over Dry Creek in Amador County, California. It was built in 1998, so it is 27 years old, younger 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 255 by 2042. The structure is 159 ft (48.6 m) long and 28 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCook Road
CrossesDry Creek
Location1 KM W/O Old Stockton RD
RouteCounty Highway 0
Coordinates38.32646, -120.99173
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length159 ft (48.6 m)
Longest span80 ft (24.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2014)
Projected traffic255 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Cook Road over Dry Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Cook Road over Dry Creek 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 April 2024.

How much traffic does Cook Road over Dry Creek carry?

About 150 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Cook Road over Dry Creek?

The structure is 159 ft (48.6 m) long with a longest span of 80 ft (24.3 m) and a deck 28 ft wide.

Who owns Cook Road over Dry Creek?

It is owned by the County Highway Agency.