US Bridges

Alves Road over Alves Drain

GoodPosted for load

Merced County, California · 0.1 MI S/O El Capitan Wy · Structure no. 39C0321

Built
1925
100 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
61
2008 count
Owner
County
County Highway Agency

About this bridge

Alves Road over Alves Drain is a concrete slab carrying Alves Road over Alves Drain in Merced 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 61 vehicles a day, roughly 18% of them trucks, projected to reach 104 by 2047. The structure is 21 ft (6.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlves Road
CrossesAlves Drain
Location0.1 MI S/O El Capitan Wy
RouteCounty Highway 0
Coordinates37.43264, -120.66503
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating11.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span19 ft (5.9 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2008)
Projected traffic104 by 2047
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Alves Road over Alves Drain built?

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

What condition is Alves Road over Alves Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Alves Road over Alves Drain carry?

About 61 vehicles per day (2008 count), of which roughly 18% are trucks.

How long is Alves Road over Alves Drain?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.9 m) and a deck 24 ft wide.

Who owns Alves Road over Alves Drain?

It is owned by the County Highway Agency.