US Bridges

Milton Road over Channel a Branch

Fair

San Joaquin County, California · 0.6 MI W of Fine RD · Structure no. 29C0305

Built
1927
98 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
57 ft
4 main spans
Daily traffic
301
2013 count
Owner
County
County Highway Agency

About this bridge

Milton Road over Channel a Branch is a concrete continuous slab carrying Milton Road over Channel a Branch in San Joaquin County, California. It was built in 1927, so it is 98 years old, older 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 301 vehicles a day, roughly 5% of them trucks, projected to reach 272 by 2041. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMilton Road
CrossesChannel a Branch
Location0.6 MI W of Fine RD
RouteCounty Highway 0
Coordinates37.98726, -121.06327
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating15.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic301 (2013)
Projected traffic272 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Milton Road over Channel a Branch built?

It was built in 1927, making it 98 years old in 2025.

What condition is Milton Road over Channel a Branch 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 March 2023.

How much traffic does Milton Road over Channel a Branch carry?

About 301 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Milton Road over Channel a Branch?

The structure is 57 ft (17.4 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Milton Road over Channel a Branch?

It is owned by the County Highway Agency.