US Bridges

Gravel Road over Low Flow Conveyance

Fair

Socorro County, New Mexico · Soccoro at Otero Ave East · Structure no. 0401-1283

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
30
2008 count
Owner
Federal
Bureau of Reclamation

About this bridge

Gravel Road over Low Flow Conveyance is a prestressed concrete stringer/multi-beam or girder carrying Gravel Road over Low Flow Conveyance in Socorro County, New Mexico. It was built in 1986, so it is 39 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 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 30 vehicles a day, projected to reach 30 by 2035. The structure is 82 ft (25.1 m) long and 21 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGravel Road
CrossesLow Flow Conveyance
LocationSoccoro at Otero Ave East
RouteFederal Lands Road 0
Coordinates34.06151, -106.87654
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25.1 m)
Longest span80 ft (24.4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2008)
Projected traffic30 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 byOther State 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 Gravel Road over Low Flow Conveyance built?

It was built in 1986, making it 39 years old in 2025.

What condition is Gravel Road over Low Flow Conveyance 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 September 2024.

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

About 30 vehicles per day (2008 count).

How long is Gravel Road over Low Flow Conveyance?

The structure is 82 ft (25.1 m) long with a longest span of 80 ft (24.4 m) and a deck 21 ft wide.

Who owns Gravel Road over Low Flow Conveyance?

It is owned by the Bureau of Reclamation and maintained by the Other State Agency.