US Bridges

SR 120 WB over UP RR & Moffat Blvd

Good

San Joaquin County, California · 10-SJ-120-R6.33 · Structure no. 29 0278L

Built
1995
30 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
496 ft
3 main spans
Daily traffic
20,900
2009 count
Owner
State
State Highway Agency

About this bridge

SR 120 WB over UP RR & Moffat Blvd is a prestressed concrete continuous box beam or girders - multiple carrying SR 120 WB over UP RR & Moffat Blvd in San Joaquin County, California. It was built in 1995, so it is 30 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 20,900 vehicles a day, roughly 15% of them trucks, projected to reach 33,656 by 2045. The structure is 496 ft (151.2 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 120 WB
CrossesUP RR & Moffat Blvd
Location10-SJ-120-R6.33
RouteState Highway 120
Coordinates37.78314, -121.19659
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length496 ft (151.2 m)
Longest span184 ft (56 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,900 (2009)
Projected traffic33,656 by 2045
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 WB over UP RR & Moffat Blvd built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 120 WB over UP RR & Moffat Blvd 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 May 2023.

How much traffic does SR 120 WB over UP RR & Moffat Blvd carry?

About 20,900 vehicles per day (2009 count), of which roughly 15% are trucks.

How long is SR 120 WB over UP RR & Moffat Blvd?

The structure is 496 ft (151.2 m) long with a longest span of 184 ft (56 m) and a deck 43 ft wide.

Who owns SR 120 WB over UP RR & Moffat Blvd?

It is owned by the State Highway Agency.