US Bridges

NM-8 over Unnamed Waterway

Fair

Lea County, New Mexico · 1.6 M W JCT NM-176/EUNICE · Structure no. 000000000007960

Built
1978
47 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
2,889
2023 count
Owner
State
State Highway Agency

About this bridge

NM-8 over Unnamed Waterway is a concrete culvert carrying NM-8 over Unnamed Waterway in Lea County, New Mexico. It was built in 1978, so it is 47 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 2,889 vehicles a day, roughly 11% of them trucks, projected to reach 3,929 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNM-8
CrossesUnnamed Waterway
Location1.6 M W JCT NM-176/EUNICE
RouteState Highway 8
CountyLea County
StateNew Mexico
Coordinates32.44251, -103.18593
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 inspectionSeptember 2022
Inspection intervalevery 48 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 rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 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 traffic2,889 (2023)
Projected traffic3,929 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-8 over Unnamed Waterway built?

It was built in 1978, making it 47 years old in 2025.

What condition is NM-8 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 September 2022.

How much traffic does NM-8 over Unnamed Waterway carry?

About 2,889 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-8 over Unnamed Waterway?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns NM-8 over Unnamed Waterway?

It is owned by the State Highway Agency.