US Bridges

NM-128 over Antelope Drew

Fair

Lea County, New Mexico · 12.74 M W of JCT of NM128 · Structure no. 000000000009438

Built
2014
11 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
10,376
2023 count
Owner
State
State Highway Agency

About this bridge

NM-128 over Antelope Drew is a concrete culvert carrying NM-128 over Antelope Drew in Lea County, New Mexico. It was built in 2014, so it is 11 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 10,376 vehicles a day, roughly 11% of them trucks, projected to reach 14,111 by 2043. The structure is 30 ft (9.1 m) long and 99 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesNM-128
CrossesAntelope Drew
Location12.74 M W of JCT of NM128
RouteState Highway 128
Coordinates32.1783, -103.38863
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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.6 US tons
Inventory rating56.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width99 ft (30.2 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,376 (2023)
Projected traffic14,111 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-128 over Antelope Drew built?

It was built in 2014, making it 11 years old in 2025.

What condition is NM-128 over Antelope Drew 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 May 2024.

How much traffic does NM-128 over Antelope Drew carry?

About 10,376 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-128 over Antelope Drew?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 99 ft wide.

Who owns NM-128 over Antelope Drew?

It is owned by the State Highway Agency.