US Bridges

Interstate 5 over Carlton Ave

Fair

San Joaquin County, California · 10-SJ-005-27.66-STKN · Structure no. 29 0198R

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
56,500
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Carlton Ave is a prestressed concrete box beam or girders - multiple carrying Interstate 5 over Carlton Ave in San Joaquin County, California. It was built in 1970, so it is 55 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 5 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 56,500 vehicles a day, roughly 23% of them trucks, projected to reach 113,673 by 2041. The structure is 115 ft (35.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 5
CrossesCarlton Ave
Location10-SJ-005-27.66-STKN
RouteInterstate 5
CountySan Joaquin County
StateCalifornia
Coordinates37.95642, -121.32481
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating17.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span114 ft (34.7 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,500 (2009)
Projected traffic113,673 by 2041
Trucks23%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Carlton Ave built?

It was built in 1970, making it 55 years old in 2025.

What condition is Interstate 5 over Carlton Ave 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 August 2023.

How much traffic does Interstate 5 over Carlton Ave carry?

About 56,500 vehicles per day (2009 count), of which roughly 23% are trucks.

How long is Interstate 5 over Carlton Ave?

The structure is 115 ft (35.1 m) long with a longest span of 114 ft (34.7 m) and a deck 68 ft wide.

Who owns Interstate 5 over Carlton Ave?

It is owned by the State Highway Agency.