US Bridges

Chrisman RD over California Aqueduct

Fair

San Joaquin County, California · 0.5 MI N of S.H. 132 · Structure no. 29C0220

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
152 ft
2 main spans
Daily traffic
1,000
1982 count
Owner
State
Other State Agency

About this bridge

Chrisman RD over California Aqueduct is a concrete continuous tee beam carrying Chrisman RD over California Aqueduct in San Joaquin County, California. It was built in 1965, so it is 60 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,217 by 2046. The structure is 152 ft (46.3 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesChrisman RD
CrossesCalifornia Aqueduct
Location0.5 MI N of S.H. 132
RouteCounty Highway 0
CountySan Joaquin County
StateCalifornia
Coordinates37.64348, -121.3976
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating31.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length152 ft (46.3 m)
Longest span74 ft (22.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1982)
Projected traffic2,217 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byCounty 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 Chrisman RD over California Aqueduct built?

It was built in 1965, making it 60 years old in 2025.

What condition is Chrisman RD over California Aqueduct 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 June 2024.

How much traffic does Chrisman RD over California Aqueduct carry?

About 1,000 vehicles per day (1982 count), of which roughly 10% are trucks.

How long is Chrisman RD over California Aqueduct?

The structure is 152 ft (46.3 m) long with a longest span of 74 ft (22.6 m) and a deck 34 ft wide.

Who owns Chrisman RD over California Aqueduct?

It is owned by the Other State Agency and maintained by the County Highway Agency.