US Bridges

US-180 over Mimbres River

Fair

Luna County, New Mexico · 1.0 MI N of I-10 · Structure no. 000000000007984

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
9,239
2023 count
Owner
State
State Highway Agency

About this bridge

US-180 over Mimbres River is a concrete culvert carrying US-180 over Mimbres River in Luna County, New Mexico. It was built in 1980, so it is 45 years old, younger 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 9,239 vehicles a day, roughly 37% of them trucks, projected to reach 12,565 by 2043. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-180
CrossesMimbres River
Location1.0 MI N of I-10
RouteU.S. Route 180
Coordinates32.2833, -107.7612
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 inspectionAugust 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 rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (10.9 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 traffic9,239 (2023)
Projected traffic12,565 by 2043
Trucks37%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$359,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US-180 over Mimbres River built?

It was built in 1980, making it 45 years old in 2025.

What condition is US-180 over Mimbres River 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 2023.

How much traffic does US-180 over Mimbres River carry?

About 9,239 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is US-180 over Mimbres River?

The structure is 36 ft (10.9 m) long with a longest span of 10 ft (3 m).

Who owns US-180 over Mimbres River?

It is owned by the State Highway Agency.