US Bridges

Jackson Road over M.I.D. Lateral #6

Fair

Stanislaus County, California · 0.2 MI N/O Covert RD · Structure no. 38C0309

Built
1925
100 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
154
2019 count
Owner
County
County Highway Agency

About this bridge

Jackson Road over M.I.D. Lateral #6 is a concrete continuous slab carrying Jackson Road over M.I.D. Lateral #6 in Stanislaus County, California. It was built in 1925, so it is 100 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 154 vehicles a day, roughly 22% of them trucks, projected to reach 370 by 2042. The structure is 28 ft (8.5 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesJackson Road
CrossesM.I.D. Lateral #6
Location0.2 MI N/O Covert RD
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.70536, -121.13235
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2019)
Projected traffic370 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Jackson Road over M.I.D. Lateral #6 built?

It was built in 1925, making it 100 years old in 2025.

What condition is Jackson Road over M.I.D. Lateral #6 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 February 2024.

How much traffic does Jackson Road over M.I.D. Lateral #6 carry?

About 154 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Jackson Road over M.I.D. Lateral #6?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 23 ft wide.

Who owns Jackson Road over M.I.D. Lateral #6?

It is owned by the County Highway Agency.