US Bridges

Griffin Road over T.I.D. Upper Lateral #2

Fair

Stanislaus County, California · Near JCT at Service RD · Structure no. 38C0314

Built
1925
100 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
317
2016 count
Owner
County
County Highway Agency

About this bridge

Griffin Road over T.I.D. Upper Lateral #2 is a concrete continuous slab carrying Griffin Road over T.I.D. Upper Lateral #2 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 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 317 vehicles a day, roughly 24% of them trucks, projected to reach 409 by 2044. The structure is 23 ft (7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesGriffin Road
CrossesT.I.D. Upper Lateral #2
LocationNear JCT at Service RD
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.58004, -120.85616
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 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 length23 ft (7 m)
Longest span11 ft (3.5 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic317 (2016)
Projected traffic409 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Griffin Road over T.I.D. Upper Lateral #2 built?

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

What condition is Griffin Road over T.I.D. Upper Lateral #2 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 November 2024.

How much traffic does Griffin Road over T.I.D. Upper Lateral #2 carry?

About 317 vehicles per day (2016 count), of which roughly 24% are trucks.

How long is Griffin Road over T.I.D. Upper Lateral #2?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.5 m) and a deck 23 ft wide.

Who owns Griffin Road over T.I.D. Upper Lateral #2?

It is owned by the County Highway Agency.