US Bridges

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

Fair

Stanislaus County, California · 0.4 MI W/O Toomes RD · Structure no. 38C0226

Built
1925
100 years old, rebuilt 1960
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
1,345
2019 count
Owner
County
County Highway Agency

About this bridge

Covert Road over M.I.D. Lateral #6 is a concrete continuous tee beam carrying Covert Road over M.I.D. Lateral #6 in Stanislaus County, California. It was built in 1925 and reconstructed in 1960, 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 1,345 vehicles a day, roughly 12% of them trucks, projected to reach 2,335 by 2047. The structure is 35 ft (10.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCovert Road
CrossesM.I.D. Lateral #6
Location0.4 MI W/O Toomes RD
RouteCounty Highway 0
Coordinates37.70353, -121.10329
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span17 ft (5.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,345 (2019)
Projected traffic2,335 by 2047
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Covert Road over M.I.D. Lateral #6 built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1960.

What condition is Covert 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 January 2025.

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

About 1,345 vehicles per day (2019 count), of which roughly 12% are trucks.

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

The structure is 35 ft (10.6 m) long with a longest span of 17 ft (5.1 m) and a deck 34 ft wide.

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

It is owned by the County Highway Agency.