US Bridges

NM-24 over Unnamed Waterway

Fair

Otero County, New Mexico · 4.62 MI S JCT NM-521/WEED · Structure no. 000000000006421

Built
1962
63 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
80
2023 count
Owner
State
State Highway Agency

About this bridge

NM-24 over Unnamed Waterway is a concrete culvert carrying NM-24 over Unnamed Waterway in Otero County, New Mexico. It was built in 1962, so it is 63 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 80 vehicles a day, roughly 11% of them trucks, projected to reach 108 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 57.8 mi (93 km).

CarriesNM-24
CrossesUnnamed Waterway
Location4.62 MI S JCT NM-521/WEED
RouteState Highway 24
Coordinates32.77436, -105.46408
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 inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 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 traffic80 (2023)
Projected traffic108 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-24 over Unnamed Waterway built?

It was built in 1962, making it 63 years old in 2025.

What condition is NM-24 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 August 2022.

How much traffic does NM-24 over Unnamed Waterway carry?

About 80 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-24 over Unnamed Waterway?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns NM-24 over Unnamed Waterway?

It is owned by the State Highway Agency.