US Bridges

Gravel Road over Low Flow Cannel

Good

Socorro County, New Mexico · San Acacia · Structure no. 0401-SA1

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
20
2008 count
Owner
Federal
Bureau of Reclamation

About this bridge

Gravel Road over Low Flow Cannel is a prestressed concrete box beam or girders - multiple carrying Gravel Road over Low Flow Cannel in Socorro County, New Mexico. It was built in 1995, so it is 30 years old, younger than the New Mexico average of 51.5 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.

It carries about 20 vehicles a day, projected to reach 20 by 2035. The structure is 45 ft (13.8 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGravel Road
CrossesLow Flow Cannel
LocationSan Acacia
RouteFederal Lands Road 0
Coordinates34.24809, -106.90186
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length45 ft (13.8 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2008)
Projected traffic20 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 Gravel Road over Low Flow Cannel built?

It was built in 1995, making it 30 years old in 2025.

What condition is Gravel Road over Low Flow Cannel 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 November 2024.

How much traffic does Gravel Road over Low Flow Cannel carry?

About 20 vehicles per day (2008 count).

How long is Gravel Road over Low Flow Cannel?

The structure is 45 ft (13.8 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns Gravel Road over Low Flow Cannel?

It is owned by the Bureau of Reclamation.