US Bridges

Lathrop Road over UPRR

Good

San Joaquin County, California · 0.8 Mile East of I-5 · Structure no. 29C0462

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
277 ft
3 main spans
Daily traffic
14,498
1999 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lathrop Road over UPRR is a prestressed concrete continuous box beam or girders - single or spread carrying Lathrop Road over UPRR in San Joaquin County, California. It was built in 2015, so it is 10 years old, younger 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 14,498 vehicles a day, roughly 5% of them trucks, projected to reach 20,981 by 2044. The structure is 277 ft (84.4 m) long and 86 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesLathrop Road
CrossesUPRR
Location0.8 Mile East of I-5
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates37.82653, -121.27497
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
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 - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length277 ft (84.4 m)
Longest span125 ft (38.1 m)
Deck width86 ft (26.2 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,498 (1999)
Projected traffic20,981 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lathrop Road over UPRR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Lathrop Road over UPRR 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 September 2024.

How much traffic does Lathrop Road over UPRR carry?

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

How long is Lathrop Road over UPRR?

The structure is 277 ft (84.4 m) long with a longest span of 125 ft (38.1 m) and a deck 86 ft wide.

Who owns Lathrop Road over UPRR?

It is owned by the City or Municipal Highway Agency.