US Bridges

Interstate 5 SB over Sour Grass Creek

Good

Tehama County, California · 02-TEH-005-R2.27 · Structure no. 08 0125L

Built
1966
59 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
12,300
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Sour Grass Creek is a concrete continuous tee beam carrying Interstate 5 SB over Sour Grass Creek in Tehama County, California. It was built in 1966, so it is 59 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 12,300 vehicles a day, roughly 25% of them trucks, projected to reach 24,017 by 2046. The structure is 109 ft (33.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesInterstate 5 SB
CrossesSour Grass Creek
Location02-TEH-005-R2.27
RouteInterstate 5
Coordinates39.83101, -122.20007
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span43 ft (13.1 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,300 (2015)
Projected traffic24,017 by 2046
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SB over Sour Grass Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Interstate 5 SB over Sour Grass 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 February 2024.

How much traffic does Interstate 5 SB over Sour Grass Creek carry?

About 12,300 vehicles per day (2015 count), of which roughly 25% are trucks.

How long is Interstate 5 SB over Sour Grass Creek?

The structure is 109 ft (33.2 m) long with a longest span of 43 ft (13.1 m) and a deck 41 ft wide.

Who owns Interstate 5 SB over Sour Grass Creek?

It is owned by the State Highway Agency.