US Bridges

US-180 over Unnamed Waterway

Fair

Luna County, New Mexico · 2.4 MI SE of JCT NM-61 · Structure no. 000000000002110

Built
1933
92 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,511
2023 count
Owner
State
State Highway Agency

About this bridge

US-180 over Unnamed Waterway is a concrete culvert carrying US-180 over Unnamed Waterway in Luna County, New Mexico. It was built in 1933, so it is 92 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 3,511 vehicles a day, roughly 17% of them trucks, projected to reach 4,774 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesUS-180
CrossesUnnamed Waterway
Location2.4 MI SE of JCT NM-61
RouteU.S. Route 180
CountyLuna County
StateNew Mexico
Coordinates32.5076, -107.99062
Functional classRural Principal Arterial - Other

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 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
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 traffic3,511 (2023)
Projected traffic4,774 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemYes

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$82,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US-180 over Unnamed Waterway built?

It was built in 1933, making it 92 years old in 2025.

What condition is US-180 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 US-180 over Unnamed Waterway carry?

About 3,511 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-180 over Unnamed Waterway?

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

Who owns US-180 over Unnamed Waterway?

It is owned by the State Highway Agency.