US Bridges

Lathrop RD over UP RR & Ssjid Canal

Fair

San Joaquin County, California · 0.5 MI W Airport Wy · Structure no. 29C0429

Built
2005
20 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
235 ft
2 main spans
Daily traffic
14,498
1999 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lathrop RD over UP RR & Ssjid Canal is a prestressed concrete continuous box beam or girders - multiple carrying Lathrop RD over UP RR & Ssjid Canal in San Joaquin County, California. It was built in 2005, so it is 20 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 14,498 vehicles a day, roughly 5% of them trucks, projected to reach 20,981 by 2044. The structure is 235 ft (71.6 m) long and 84 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLathrop RD
CrossesUP RR & Ssjid Canal
Location0.5 MI W Airport Wy
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates37.82617, -121.26322
Functional classUrban Other Principal Arterial

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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length235 ft (71.6 m)
Longest span127 ft (38.7 m)
Deck width84 ft (25.6 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,498 (1999)
Projected traffic20,981 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed3.7 mi (6 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 Lathrop RD over UP RR & Ssjid Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is Lathrop RD over UP RR & Ssjid Canal 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 September 2024.

How much traffic does Lathrop RD over UP RR & Ssjid Canal carry?

About 14,498 vehicles per day (1999 count), of which roughly 5% are trucks.

How long is Lathrop RD over UP RR & Ssjid Canal?

The structure is 235 ft (71.6 m) long with a longest span of 127 ft (38.7 m) and a deck 84 ft wide.

Who owns Lathrop RD over UP RR & Ssjid Canal?

It is owned by the City or Municipal Highway Agency.