US Bridges

Interstate 5 over Adams Ditch

Good

Yolo County, California · 03-YOL-005-R13.27 · Structure no. 22 0180

Built
1950
75 years old, rebuilt 1970
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
23,500
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Adams Ditch is a concrete continuous culvert carrying Interstate 5 over Adams Ditch in Yolo County, California. It was built in 1950 and reconstructed in 1970, so it is 75 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 23,500 vehicles a day, roughly 20% of them trucks, projected to reach 56,909 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesInterstate 5
CrossesAdams Ditch
Location03-YOL-005-R13.27
RouteInterstate 5
Coordinates38.74683, -121.8275
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2014)
Projected traffic56,909 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 5 over Adams Ditch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1970.

What condition is Interstate 5 over Adams Ditch 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 March 2024.

How much traffic does Interstate 5 over Adams Ditch carry?

About 23,500 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is Interstate 5 over Adams Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Interstate 5 over Adams Ditch?

It is owned by the State Highway Agency.