US Bridges

NM-80 over Unnamed Waterway

Good

Hidalgo County, New Mexico · 27.8 M NE of Ariz Line · Structure no. 000000000002027

Built
1934
91 years old, rebuilt 1976
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
338
2023 count
Owner
State
State Highway Agency

About this bridge

NM-80 over Unnamed Waterway is a concrete culvert carrying NM-80 over Unnamed Waterway in Hidalgo County, New Mexico. It was built in 1934 and reconstructed in 1976, so it is 91 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 338 vehicles a day, roughly 11% of them trucks, projected to reach 459 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-80
CrossesUnnamed Waterway
Location27.8 M NE of Ariz Line
RouteState Highway 80
Coordinates32.17007, -108.94677
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 rating63.1 US tons
Inventory rating27 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 traffic338 (2023)
Projected traffic459 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$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-80 over Unnamed Waterway built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1976.

What condition is NM-80 over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does NM-80 over Unnamed Waterway carry?

About 338 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-80 over Unnamed Waterway?

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

Who owns NM-80 over Unnamed Waterway?

It is owned by the State Highway Agency.