US Bridges

Interstate 5 over Tormey Drain

Good

Shasta County, California · 02-SHA-005-R5.89-AND · Structure no. 06 0144

Built
1966
59 years old, rebuilt 2021
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
19,500
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Tormey Drain is a concrete continuous slab carrying Interstate 5 over Tormey Drain in Shasta County, California. It was built in 1966 and reconstructed in 2021, 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 19,500 vehicles a day, roughly 12% of them trucks, projected to reach 47,084 by 2044. The structure is 59 ft (18 m) long and 157 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesTormey Drain
Location02-SHA-005-R5.89-AND
RouteInterstate 5
Coordinates40.45869, -122.29778
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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length59 ft (18 m)
Longest span32 ft (9.8 m)
Deck width157 ft (47.8 m)
Roadway width153 ft (46.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2024)
Projected traffic47,084 by 2044
Trucks12%
Lanes on structure6
Traffic directionTwo-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 5 over Tormey Drain built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2021.

What condition is Interstate 5 over Tormey Drain 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 Tormey Drain carry?

About 19,500 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Interstate 5 over Tormey Drain?

The structure is 59 ft (18 m) long with a longest span of 32 ft (9.8 m) and a deck 157 ft wide.

Who owns Interstate 5 over Tormey Drain?

It is owned by the State Highway Agency.