US Bridges

SR 120 EB over Spreckles Road

Fair

San Joaquin County, California · 10-SJ-120-R6.13-MTCA · Structure no. 29 0277R

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
1 main span
Daily traffic
20,900
2009 count
Owner
State
State Highway Agency

About this bridge

SR 120 EB over Spreckles Road is a prestressed concrete box beam or girders - multiple carrying SR 120 EB over Spreckles Road in San Joaquin County, California. It was built in 1980, so it is 45 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 20,900 vehicles a day, roughly 19% of them trucks, projected to reach 49,282 by 2043. The structure is 109 ft (33.2 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 120 EB
CrossesSpreckles Road
Location10-SJ-120-R6.13-MTCA
RouteState Highway 120
CountySan Joaquin County
StateCalifornia
Coordinates37.78314, -121.20081
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length109 ft (33.2 m)
Longest span108 ft (32.9 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,900 (2009)
Projected traffic49,282 by 2043
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 SR 120 EB over Spreckles Road built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 120 EB over Spreckles Road 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 May 2023.

How much traffic does SR 120 EB over Spreckles Road carry?

About 20,900 vehicles per day (2009 count), of which roughly 19% are trucks.

How long is SR 120 EB over Spreckles Road?

The structure is 109 ft (33.2 m) long with a longest span of 108 ft (32.9 m) and a deck 45 ft wide.

Who owns SR 120 EB over Spreckles Road?

It is owned by the State Highway Agency.