US Bridges

NM-129 over I-40 Ebl/Wbl

Poor

Guadalupe County, New Mexico · 23.3 MI E JCT US-84/I-40 · Structure no. 000000000006381

Built
1963
62 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
5 main spans
Daily traffic
97
2023 count
Owner
State
State Highway Agency

About this bridge

NM-129 over I-40 Ebl/Wbl is a prestressed concrete stringer/multi-beam or girder carrying NM-129 over I-40 Ebl/Wbl in Guadalupe County, New Mexico. It was built in 1963, so it is 62 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 97 vehicles a day, roughly 10% of them trucks, projected to reach 131 by 2043. The structure is 229 ft (69.8 m) long and 34 ft wide.

CarriesNM-129
CrossesI-40 Ebl/Wbl
Location23.3 MI E JCT US-84/I-40
RouteState Highway 129
Coordinates35.06564, -104.26744
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating36.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span54 ft (16.6 m)
Deck width34 ft (10.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2023)
Projected traffic131 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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-129 over I-40 Ebl/Wbl built?

It was built in 1963, making it 62 years old in 2025.

What condition is NM-129 over I-40 Ebl/Wbl in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does NM-129 over I-40 Ebl/Wbl carry?

About 97 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NM-129 over I-40 Ebl/Wbl?

The structure is 229 ft (69.8 m) long with a longest span of 54 ft (16.6 m) and a deck 34 ft wide.

Who owns NM-129 over I-40 Ebl/Wbl?

It is owned by the State Highway Agency.