US Bridges

NM-124 over Unnamed Waterway

Fair

Cibola County, New Mexico · 5.2 MI E of I-40/MCCARTYS · Structure no. 000000000003094

Built
1936
89 years old, rebuilt 1991
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
30 ft
5 main spans
Daily traffic
1,215
2023 count
Owner
State
State Highway Agency

About this bridge

NM-124 over Unnamed Waterway is a concrete culvert carrying NM-124 over Unnamed Waterway in Cibola County, New Mexico. It was built in 1936 and reconstructed in 1991, so it is 89 years old, older 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 1,215 vehicles a day, roughly 11% of them trucks, projected to reach 1,652 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-124
CrossesUnnamed Waterway
Location5.2 MI E of I-40/MCCARTYS
RouteState Highway 124
Coordinates35.08565, -107.56148
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length30 ft (9.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,215 (2023)
Projected traffic1,652 by 2043
Trucks11%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$68,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-124 over Unnamed Waterway built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1991.

What condition is NM-124 over Unnamed Waterway 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 December 2023.

How much traffic does NM-124 over Unnamed Waterway carry?

About 1,215 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-124 over Unnamed Waterway?

The structure is 30 ft (9.1 m) long with a longest span of 6 ft (1.8 m).

Who owns NM-124 over Unnamed Waterway?

It is owned by the State Highway Agency.