US Bridges

Stone Avenue over M.I.D. Lateral #5

Fair

Stanislaus County, California · 0.4 MI S of Calif Avenue · Structure no. 38C0107

Built
1920
105 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
300
2019 count
Owner
County
County Highway Agency

About this bridge

Stone Avenue over M.I.D. Lateral #5 is a concrete continuous slab carrying Stone Avenue over M.I.D. Lateral #5 in Stanislaus County, California. It was built in 1920, so it is 105 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 362 by 2047. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStone Avenue
CrossesM.I.D. Lateral #5
Location0.4 MI S of Calif Avenue
RouteCounty Highway 0
Coordinates37.61743, -121.08532
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic362 by 2047
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Stone Avenue over M.I.D. Lateral #5 built?

It was built in 1920, making it 105 years old in 2025.

What condition is Stone Avenue over M.I.D. Lateral #5 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 Stone Avenue over M.I.D. Lateral #5 carry?

About 300 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Stone Avenue over M.I.D. Lateral #5?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Stone Avenue over M.I.D. Lateral #5?

It is owned by the County Highway Agency.