US Bridges

Flood Road over Channel B

Good

San Joaquin County, California · 1.6 MI W Escalon-Belta RD · Structure no. 29C0379

Built
1967
58 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
166
2013 count
Owner
County
County Highway Agency

About this bridge

Flood Road over Channel B is a concrete continuous slab carrying Flood Road over Channel B in San Joaquin County, California. It was built in 1967, so it is 58 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 166 vehicles a day, roughly 30% of them trucks, projected to reach 277 by 2047. The structure is 62 ft (18.9 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFlood Road
CrossesChannel B
Location1.6 MI W Escalon-Belta RD
RouteCounty Highway 0
Coordinates38.01458, -121.02767
Functional classRural Minor Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2013)
Projected traffic277 by 2047
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Flood Road over Channel B built?

It was built in 1967, making it 58 years old in 2025.

What condition is Flood Road over Channel B 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 February 2025.

How much traffic does Flood Road over Channel B carry?

About 166 vehicles per day (2013 count), of which roughly 30% are trucks.

How long is Flood Road over Channel B?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Flood Road over Channel B?

It is owned by the County Highway Agency.