US Bridges

Pershing Ave over Calaveras River

Fair

San Joaquin County, California · Just N Telegraph Ave · Structure no. 29C0243

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
399 ft
18 main spans
Daily traffic
29,900
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pershing Ave over Calaveras River is a concrete continuous slab carrying Pershing Ave over Calaveras River in San Joaquin County, California. It was built in 1959, so it is 66 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 29,900 vehicles a day, roughly 5% of them trucks, projected to reach 64,989 by 2042. The structure is 399 ft (121.6 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPershing Ave
CrossesCalaveras River
LocationJust N Telegraph Ave
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates37.97891, -121.31849
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadUnknown
Structure length399 ft (121.6 m)
Longest span22 ft (6.7 m)
Deck width80 ft (24.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,900 (2007)
Projected traffic64,989 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Pershing Ave over Calaveras River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Pershing Ave over Calaveras River 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 2024.

How much traffic does Pershing Ave over Calaveras River carry?

About 29,900 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Pershing Ave over Calaveras River?

The structure is 399 ft (121.6 m) long with a longest span of 22 ft (6.7 m) and a deck 80 ft wide.

Who owns Pershing Ave over Calaveras River?

It is owned by the City or Municipal Highway Agency.