US Bridges

Adobe Road over Interstate 5

Good

Tehama County, California · 02-TEH-005-R27.47 · Structure no. 08 0157

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
1,710
2015 count
Owner
State
State Highway Agency

About this bridge

Adobe Road over Interstate 5 is a prestressed concrete continuous box beam or girders - multiple carrying Adobe Road over Interstate 5 in Tehama County, California. It was built in 2004, so it is 21 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 1,710 vehicles a day, roughly 3% of them trucks, projected to reach 1,631 by 2046. The structure is 203 ft (61.9 m) long and 85 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesAdobe Road
CrossesInterstate 5
Location02-TEH-005-R27.47
RouteCounty Highway 0
Coordinates40.19187, -122.23502
Functional classUrban Other Principal Arterial

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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 length203 ft (61.9 m)
Longest span100 ft (30.6 m)
Deck width85 ft (25.8 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,710 (2015)
Projected traffic1,631 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Adobe Road over Interstate 5 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Adobe Road over Interstate 5 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 May 2024.

How much traffic does Adobe Road over Interstate 5 carry?

About 1,710 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Adobe Road over Interstate 5?

The structure is 203 ft (61.9 m) long with a longest span of 100 ft (30.6 m) and a deck 85 ft wide.

Who owns Adobe Road over Interstate 5?

It is owned by the State Highway Agency.