US Bridges

Pacific Ave over Calaveras River

Good

San Joaquin County, California · 0.25 MI N Fulton ST · Structure no. 29C0058L

Built
1921
104 years old, rebuilt 1951
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
253 ft
6 main spans
Daily traffic
18,350
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pacific Ave over Calaveras River is a concrete tee beam carrying Pacific Ave over Calaveras River in San Joaquin County, California. It was built in 1921 and reconstructed in 1951, so it is 104 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 18,350 vehicles a day, roughly 5% of them trucks, projected to reach 23,863 by 2042. The structure is 253 ft (77.1 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPacific Ave
CrossesCalaveras River
Location0.25 MI N Fulton ST
RouteCity Street 0
Coordinates37.98373, -121.30961
Functional classUrban Other Principal Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length253 ft (77.1 m)
Longest span42 ft (12.8 m)
Deck width37 ft (11.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,350 (2010)
Projected traffic23,863 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Pacific Ave over Calaveras River built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1951.

What condition is Pacific Ave over Calaveras River 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 January 2024.

How much traffic does Pacific Ave over Calaveras River carry?

About 18,350 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Pacific Ave over Calaveras River?

The structure is 253 ft (77.1 m) long with a longest span of 42 ft (12.8 m) and a deck 37 ft wide.

Who owns Pacific Ave over Calaveras River?

It is owned by the City or Municipal Highway Agency.