US Bridges

8th & 9th Street over M.I.D. Lateral #4

Fair

Stanislaus County, California · S/O Kansas · Structure no. 38C0062

Built
1914
111 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
9,356
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th & 9th Street over M.I.D. Lateral #4 is a concrete continuous slab carrying 8th & 9th Street over M.I.D. Lateral #4 in Stanislaus County, California. It was built in 1914, so it is 111 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 6 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 9,356 vehicles a day, roughly 3% of them trucks, projected to reach 35,568 by 2046. The structure is 25 ft (7.6 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries8th & 9th Street
CrossesM.I.D. Lateral #4
LocationS/O Kansas
RouteCity Street 0
Coordinates37.6455, -121.01005
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width105 ft (32 m)
Roadway width105 ft (32 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,356 (2018)
Projected traffic35,568 by 2046
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 8th & 9th Street over M.I.D. Lateral #4 built?

It was built in 1914, making it 111 years old in 2025.

What condition is 8th & 9th Street over M.I.D. Lateral #4 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 2024.

How much traffic does 8th & 9th Street over M.I.D. Lateral #4 carry?

About 9,356 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is 8th & 9th Street over M.I.D. Lateral #4?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m) and a deck 105 ft wide.

Who owns 8th & 9th Street over M.I.D. Lateral #4?

It is owned by the City or Municipal Highway Agency.