US Bridges

State Route 152 EB over San Joaquin River

Fair

Merced County, California · 10-MER-152-R37.40 · Structure no. 39 0028R

Built
1997
28 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
300 ft
3 main spans
Daily traffic
8,425
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 152 EB over San Joaquin River is a prestressed concrete continuous box beam or girders - multiple carrying State Route 152 EB over San Joaquin River in Merced County, California. It was built in 1997, so it is 28 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 8,425 vehicles a day, roughly 13% of them trucks, projected to reach 12,853 by 2040. The structure is 300 ft (91.4 m) long and 42 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesState Route 152 EB
CrossesSan Joaquin River
Location10-MER-152-R37.40
RouteState Highway 152
Coordinates37.05555, -120.55006
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length300 ft (91.4 m)
Longest span114 ft (34.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,425 (2015)
Projected traffic12,853 by 2040
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 State Route 152 EB over San Joaquin River built?

It was built in 1997, making it 28 years old in 2025.

What condition is State Route 152 EB over San Joaquin River 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 2023.

How much traffic does State Route 152 EB over San Joaquin River carry?

About 8,425 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is State Route 152 EB over San Joaquin River?

The structure is 300 ft (91.4 m) long with a longest span of 114 ft (34.7 m) and a deck 42 ft wide.

Who owns State Route 152 EB over San Joaquin River?

It is owned by the State Highway Agency.