US Bridges

Interstate 5 over Anderson Creek Overflow

Good

Shasta County, California · 02-SHA-005-R4.92-AND · Structure no. 06 0168

Built
1966
59 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
27 ft
4 main spans
Daily traffic
39,000
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Anderson Creek Overflow is a steel culvert carrying Interstate 5 over Anderson Creek Overflow in Shasta 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,000 vehicles a day, roughly 12% of them trucks, projected to reach 93,145 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 5
CrossesAnderson Creek Overflow
Location02-SHA-005-R4.92-AND
RouteInterstate 5
Coordinates40.44657, -122.2889
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,000 (2024)
Projected traffic93,145 by 2044
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 5 over Anderson Creek Overflow built?

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

What condition is Interstate 5 over Anderson Creek Overflow 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 August 2024.

How much traffic does Interstate 5 over Anderson Creek Overflow carry?

About 39,000 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Interstate 5 over Anderson Creek Overflow?

The structure is 27 ft (8.2 m) long with a longest span of 5 ft (1.5 m).

Who owns Interstate 5 over Anderson Creek Overflow?

It is owned by the State Highway Agency.