US Bridges

Corral Hollow RD over Route 580

Fair

San Joaquin County, California · 10-SJ-580-8.15 · Structure no. 29 0080

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
237 ft
4 main spans
Daily traffic
2,500
1999 count
Owner
State
State Highway Agency

About this bridge

Corral Hollow RD over Route 580 is a concrete continuous box beam or girders - multiple carrying Corral Hollow RD over Route 580 in San Joaquin County, California. It was built in 1966, so it is 59 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 10,011 by 2042. The structure is 237 ft (72.3 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesCorral Hollow RD
CrossesRoute 580
Location10-SJ-580-8.15
RouteCounty Highway 0Y340
Coordinates37.67195, -121.45752
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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length237 ft (72.3 m)
Longest span81 ft (24.7 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (1999)
Projected traffic10,011 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed24.2 mi (39 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Corral Hollow RD over Route 580 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Corral Hollow RD over Route 580 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 March 2024.

How much traffic does Corral Hollow RD over Route 580 carry?

About 2,500 vehicles per day (1999 count), of which roughly 10% are trucks.

How long is Corral Hollow RD over Route 580?

The structure is 237 ft (72.3 m) long with a longest span of 81 ft (24.7 m) and a deck 35 ft wide.

Who owns Corral Hollow RD over Route 580?

It is owned by the State Highway Agency.