US Bridges

US-180 over Pinos Altos Creek

Fair

Grant County, New Mexico · 8.9 M NW of JCT NM-356 · Structure no. 000000000005340

Built
1948
77 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
59 ft
4 main spans
Daily traffic
21,588
2023 count
Owner
State
State Highway Agency

About this bridge

US-180 over Pinos Altos Creek is a concrete culvert carrying US-180 over Pinos Altos Creek in Grant County, New Mexico. It was built in 1948, so it is 77 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 5 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 21,588 vehicles a day, roughly 13% of them trucks, projected to reach 29,359 by 2043. The structure is 59 ft (18.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-180
CrossesPinos Altos Creek
Location8.9 M NW of JCT NM-356
RouteU.S. Route 180
Coordinates32.78296, -108.26704
Functional classUrban Other Principal Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length59 ft (18.1 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 traffic21,588 (2023)
Projected traffic29,359 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$663,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-180 over Pinos Altos Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is US-180 over Pinos Altos Creek 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 January 2023.

How much traffic does US-180 over Pinos Altos Creek carry?

About 21,588 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US-180 over Pinos Altos Creek?

The structure is 59 ft (18.1 m) long with a longest span of 10 ft (3 m).

Who owns US-180 over Pinos Altos Creek?

It is owned by the State Highway Agency.