US Bridges

East Lockeford ST over State Route 99

Good

San Joaquin County, California · 10-SJ-099-31.03-LOD · Structure no. 29 0152

Built
1963
62 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
207 ft
4 main spans
Daily traffic
4,000
2014 count
Owner
State
State Highway Agency

About this bridge

East Lockeford ST over State Route 99 is a concrete continuous tee beam carrying East Lockeford ST over State Route 99 in San Joaquin County, California. It was built in 1963, so it is 62 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 4,000 vehicles a day, roughly 10% of them trucks, projected to reach 4,409 by 2042. The structure is 207 ft (63.1 m) long and 48 ft wide.

CarriesEast Lockeford ST
CrossesState Route 99
Location10-SJ-099-31.03-LOD
RouteCity Street 0Y317
Coordinates38.13823, -121.25827
Functional classUrban Local

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span72 ft (21.9 m)
Deck width48 ft (14.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2014)
Projected traffic4,409 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 East Lockeford ST over State Route 99 built?

It was built in 1963, making it 62 years old in 2025.

What condition is East Lockeford ST over State Route 99 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 July 2024.

How much traffic does East Lockeford ST over State Route 99 carry?

About 4,000 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is East Lockeford ST over State Route 99?

The structure is 207 ft (63.1 m) long with a longest span of 72 ft (21.9 m) and a deck 48 ft wide.

Who owns East Lockeford ST over State Route 99?

It is owned by the State Highway Agency.