US Bridges

Interstate 5 SB over Hillside

Good

Shasta County, California · 02-SHA-005-M29.68L · Structure no. 06 0212L

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Arch - Deck
Concrete Continuous
Length
812 ft
4 main spans
Daily traffic
9,150
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Hillside is a concrete continuous arch - deck carrying Interstate 5 SB over Hillside in Shasta County, California. It was built in 2019, so it is 6 years old, younger 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 9,150 vehicles a day, roughly 28% of them trucks, projected to reach 17,751 by 2045. The structure is 812 ft (247.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5 SB
CrossesHillside
Location02-SHA-005-M29.68L
RouteInterstate 5
Coordinates40.77689, -122.31739
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.
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadUnknown
Structure length812 ft (247.5 m)
Longest span140 ft (42.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,150 (2014)
Projected traffic17,751 by 2045
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 SB over Hillside built?

It was built in 2019, making it 6 years old in 2025.

What condition is Interstate 5 SB over Hillside 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 Hillside carry?

About 9,150 vehicles per day (2014 count), of which roughly 28% are trucks.

How long is Interstate 5 SB over Hillside?

The structure is 812 ft (247.5 m) long with a longest span of 140 ft (42.7 m) and a deck 42 ft wide.

Who owns Interstate 5 SB over Hillside?

It is owned by the State Highway Agency.