US Bridges

43-0124 over Rio San Antonio

Fair

Sandoval County, New Mexico · 0.05 W of NM-126 @ MP-38 · Structure no. 000000000009005

Built
1996
29 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
102
2023 count
Owner
County
County Highway Agency

About this bridge

43-0124 over Rio San Antonio is a steel stringer/multi-beam or girder carrying 43-0124 over Rio San Antonio in Sandoval County, New Mexico. It was built in 1996, so it is 29 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 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 102 vehicles a day, projected to reach 138 by 2043. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries43-0124
CrossesRio San Antonio
Location0.05 W of NM-126 @ MP-38
RouteCounty Highway 43124
Coordinates35.87424, -106.64251
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating23.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2023)
Projected traffic138 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 43-0124 over Rio San Antonio built?

It was built in 1996, making it 29 years old in 2025.

What condition is 43-0124 over Rio San Antonio 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 October 2023.

How much traffic does 43-0124 over Rio San Antonio carry?

About 102 vehicles per day (2023 count).

How long is 43-0124 over Rio San Antonio?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns 43-0124 over Rio San Antonio?

It is owned by the County Highway Agency.