US Bridges

Interstate 5 SB over Cfnr & State Route 33

Fair

San Joaquin County, California · 10-SJ-005-6.41 · Structure no. 29 0260L

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
374 ft
2 main spans
Daily traffic
11,400
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Cfnr & State Route 33 is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 5 SB over Cfnr & State Route 33 in San Joaquin County, California. It was built in 1971, so it is 54 years old, younger 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 11,400 vehicles a day, roughly 25% of them trucks, projected to reach 22,892 by 2046. The structure is 374 ft (114 m) long and 44 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesInterstate 5 SB
CrossesCfnr & State Route 33
Location10-SJ-005-6.41
RouteInterstate 5
Coordinates37.68106, -121.34338
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length374 ft (114 m)
Longest span187 ft (57 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,400 (2016)
Projected traffic22,892 by 2046
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed13 mi (21 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 Cfnr & State Route 33 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Interstate 5 SB over Cfnr & State Route 33 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 October 2024.

How much traffic does Interstate 5 SB over Cfnr & State Route 33 carry?

About 11,400 vehicles per day (2016 count), of which roughly 25% are trucks.

How long is Interstate 5 SB over Cfnr & State Route 33?

The structure is 374 ft (114 m) long with a longest span of 187 ft (57 m) and a deck 44 ft wide.

Who owns Interstate 5 SB over Cfnr & State Route 33?

It is owned by the State Highway Agency.