US Bridges

State Route 4 over Hoods Creek

Fair

Stanislaus County, California · 10-STA-004-7.28 · Structure no. 38 0041

Built
1930
95 years old, rebuilt 1974
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete Continuous
Length
82 ft
4 main spans
Daily traffic
4,900
2004 count
Owner
State
State Highway Agency

About this bridge

State Route 4 over Hoods Creek is a concrete continuous tee beam carrying State Route 4 over Hoods Creek in Stanislaus County, California. It was built in 1930 and reconstructed in 1974, so it is 95 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 4,900 vehicles a day, roughly 8% of them trucks, projected to reach 6,345 by 2042. The structure is 82 ft (25 m) long and 33 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesState Route 4
CrossesHoods Creek
Location10-STA-004-7.28
RouteState Highway 4
Coordinates37.93726, -120.79602
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length82 ft (25 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2004)
Projected traffic6,345 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 4 over Hoods Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1974.

What condition is State Route 4 over Hoods Creek 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 December 2023.

How much traffic does State Route 4 over Hoods Creek carry?

About 4,900 vehicles per day (2004 count), of which roughly 8% are trucks.

How long is State Route 4 over Hoods Creek?

The structure is 82 ft (25 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns State Route 4 over Hoods Creek?

It is owned by the State Highway Agency.