US Bridges

Filbert ST over SR 4

Fair

San Joaquin County, California · 10-SJ-004-R18.77-STKN · Structure no. 29 0305

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
181 ft
2 main spans
Daily traffic
16,500
2009 count
Owner
State
State Highway Agency

About this bridge

Filbert ST over SR 4 is a prestressed concrete continuous box beam or girders - multiple carrying Filbert ST over SR 4 in San Joaquin County, California. It was built in 1992, so it is 33 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 16,500 vehicles a day, roughly 3% of them trucks, projected to reach 23,128 by 2043. The structure is 181 ft (55.2 m) long and 94 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFilbert ST
CrossesSR 4
Location10-SJ-004-R18.77-STKN
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates37.95988, -121.25389
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating46.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length181 ft (55.2 m)
Longest span94 ft (28.7 m)
Deck width94 ft (28.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2009)
Projected traffic23,128 by 2043
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
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 Filbert ST over SR 4 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Filbert ST over SR 4 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 June 2023.

How much traffic does Filbert ST over SR 4 carry?

About 16,500 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Filbert ST over SR 4?

The structure is 181 ft (55.2 m) long with a longest span of 94 ft (28.7 m) and a deck 94 ft wide.

Who owns Filbert ST over SR 4?

It is owned by the State Highway Agency.