US Bridges

NM-152 over Unnamed Arroyo

Fair

Grant County, New Mexico · 10.7 MI E of Central · Structure no. 000000000007207

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,354
2023 count
Owner
State
State Highway Agency

About this bridge

NM-152 over Unnamed Arroyo is a concrete culvert carrying NM-152 over Unnamed Arroyo in Grant County, New Mexico. It was built in 1970, so it is 55 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 1,354 vehicles a day, roughly 11% of them trucks, projected to reach 1,841 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNM-152
CrossesUnnamed Arroyo
Location10.7 MI E of Central
RouteState Highway 152
CountyGrant County
StateNew Mexico
Coordinates32.80952, -107.99598
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 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 traffic1,354 (2023)
Projected traffic1,841 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$139,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-152 over Unnamed Arroyo built?

It was built in 1970, making it 55 years old in 2025.

What condition is NM-152 over Unnamed Arroyo 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 April 2024.

How much traffic does NM-152 over Unnamed Arroyo carry?

About 1,354 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-152 over Unnamed Arroyo?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns NM-152 over Unnamed Arroyo?

It is owned by the State Highway Agency.