US Bridges

Interstate 5 SB over Upper Salt Creek Road

Fair

Shasta County, California · 02-SHA-005-R37.08 · Structure no. 06 0159L

Built
1966
59 years old, rebuilt 2012
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
8,800
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Upper Salt Creek Road is a concrete continuous tee beam carrying Interstate 5 SB over Upper Salt Creek Road in Shasta County, California. It was built in 1966 and reconstructed in 2012, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,800 vehicles a day, roughly 30% of them trucks, projected to reach 17,129 by 2042. The structure is 123 ft (37.5 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesInterstate 5 SB
CrossesUpper Salt Creek Road
Location02-SHA-005-R37.08
RouteInterstate 5
Coordinates40.85027, -122.3418
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span44 ft (13.4 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2009)
Projected traffic17,129 by 2042
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 SB over Upper Salt Creek Road built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2012.

What condition is Interstate 5 SB over Upper Salt Creek Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Interstate 5 SB over Upper Salt Creek Road carry?

About 8,800 vehicles per day (2009 count), of which roughly 30% are trucks.

How long is Interstate 5 SB over Upper Salt Creek Road?

The structure is 123 ft (37.5 m) long with a longest span of 44 ft (13.4 m) and a deck 42 ft wide.

Who owns Interstate 5 SB over Upper Salt Creek Road?

It is owned by the State Highway Agency.