US Bridges

Interstate 5 SB over Cantua Creek

Good

Fresno County, California · 06-FRE-005-28.50 · Structure no. 42 0239L

Built
1968
57 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
114 ft
4 main spans
Daily traffic
16,500
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Cantua Creek is a concrete continuous slab carrying Interstate 5 SB over Cantua Creek in Fresno County, California. It was built in 1968, so it is 57 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 16,500 vehicles a day, roughly 30% of them trucks, projected to reach 23,975 by 2043. The structure is 114 ft (34.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesInterstate 5 SB
CrossesCantua Creek
Location06-FRE-005-28.50
RouteInterstate 5
Coordinates36.41847, -120.37887
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span32 ft (9.8 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2009)
Projected traffic23,975 by 2043
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Cantua Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Interstate 5 SB over Cantua Creek 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 October 2023.

How much traffic does Interstate 5 SB over Cantua Creek carry?

About 16,500 vehicles per day (2009 count), of which roughly 30% are trucks.

How long is Interstate 5 SB over Cantua Creek?

The structure is 114 ft (34.7 m) long with a longest span of 32 ft (9.8 m) and a deck 42 ft wide.

Who owns Interstate 5 SB over Cantua Creek?

It is owned by the State Highway Agency.