US Bridges

IRR/NM-124 over Unnamed Waterway

Fair

Cibola County, New Mexico · 6.2 MI E of NM-117 · Structure no. 000000000003102

Built
1936
89 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
356
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/NM-124 over Unnamed Waterway is a concrete culvert carrying IRR/NM-124 over Unnamed Waterway in Cibola County, New Mexico. It was built in 1936, 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 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 356 vehicles a day, roughly 11% of them trucks, projected to reach 484 by 2043. The structure is 31 ft (9.6 m) long.

CarriesIRR/NM-124
CrossesUnnamed Waterway
Location6.2 MI E of NM-117
RouteState Highway 124
Coordinates35.06959, -107.67779
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic356 (2023)
Projected traffic484 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$75,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/NM-124 over Unnamed Waterway built?

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

What condition is IRR/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 November 2023.

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

About 356 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IRR/NM-124 over Unnamed Waterway?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns IRR/NM-124 over Unnamed Waterway?

It is owned by the State Highway Agency.