US Bridges

Interstate 5 NB over Telegraph Ave

Fair

San Joaquin County, California · 10-SJ-005-29.19 · Structure no. 29 0192

Built
1970
55 years old, rebuilt 2016
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
124,000
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 NB over Telegraph Ave is a prestressed concrete box beam or girders - multiple carrying Interstate 5 NB over Telegraph Ave in San Joaquin County, California. It was built in 1970 and reconstructed in 2016, 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 124,000 vehicles a day, roughly 23% of them trucks, projected to reach 242,586 by 2045. The structure is 100 ft (30.5 m) long and 197 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesInterstate 5 NB
CrossesTelegraph Ave
Location10-SJ-005-29.19
RouteInterstate 5
CountySan Joaquin County
StateCalifornia
Coordinates37.9734, -121.33862
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span98 ft (29.9 m)
Deck width197 ft (59.9 m)
Roadway width192 ft (58.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124,000 (2009)
Projected traffic242,586 by 2045
Trucks23%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 NB over Telegraph Ave built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2016.

What condition is Interstate 5 NB over Telegraph 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 January 2025.

How much traffic does Interstate 5 NB over Telegraph Ave carry?

About 124,000 vehicles per day (2009 count), of which roughly 23% are trucks.

How long is Interstate 5 NB over Telegraph Ave?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 197 ft wide.

Who owns Interstate 5 NB over Telegraph Ave?

It is owned by the State Highway Agency.