US Bridges

Interstate 5 SB over South Fork Blue Tent Crk

Good

Tehama County, California · 02-TEH-005-31.75 · Structure no. 08 0026L

Built
1963
62 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
171 ft
4 main spans
Daily traffic
19,500
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over South Fork Blue Tent Crk is a concrete continuous tee beam carrying Interstate 5 SB over South Fork Blue Tent Crk in Tehama County, California. It was built in 1963, so it is 62 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 19,500 vehicles a day, roughly 17% of them trucks, projected to reach 34,982 by 2046. The structure is 171 ft (52.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5 SB
CrossesSouth Fork Blue Tent Crk
Location02-TEH-005-31.75
RouteInterstate 5
Coordinates40.22916, -122.25481
Functional classUrban 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 inspectionMay 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 rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length171 ft (52.2 m)
Longest span48 ft (14.6 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2015)
Projected traffic34,982 by 2046
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 South Fork Blue Tent Crk built?

It was built in 1963, making it 62 years old in 2025.

What condition is Interstate 5 SB over South Fork Blue Tent Crk 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 Interstate 5 SB over South Fork Blue Tent Crk carry?

About 19,500 vehicles per day (2015 count), of which roughly 17% are trucks.

How long is Interstate 5 SB over South Fork Blue Tent Crk?

The structure is 171 ft (52.2 m) long with a longest span of 48 ft (14.6 m) and a deck 42 ft wide.

Who owns Interstate 5 SB over South Fork Blue Tent Crk?

It is owned by the State Highway Agency.