US Bridges

NM-146 over I-10 Ebl/Wbl

Good

Grant County, New Mexico · JCT NM-146 and I-10 · Structure no. 000000000009819

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
248 ft
2 main spans
Daily traffic
2,600
2019 count
Owner
State
State Highway Agency

About this bridge

NM-146 over I-10 Ebl/Wbl is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-146 over I-10 Ebl/Wbl in Grant County, New Mexico. It was built in 2021, so it is 4 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 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 2,600 vehicles a day, projected to reach 3,000 by 2039. The structure is 248 ft (75.7 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNM-146
CrossesI-10 Ebl/Wbl
LocationJCT NM-146 and I-10
RouteState Highway 146
CountyGrant County
StateNew Mexico
Coordinates32.19253, -108.30552
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating61.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length248 ft (75.7 m)
Longest span101 ft (30.8 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2019)
Projected traffic3,000 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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-146 over I-10 Ebl/Wbl built?

It was built in 2021, making it 4 years old in 2025.

What condition is NM-146 over I-10 Ebl/Wbl 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 April 2023.

How much traffic does NM-146 over I-10 Ebl/Wbl carry?

About 2,600 vehicles per day (2019 count).

How long is NM-146 over I-10 Ebl/Wbl?

The structure is 248 ft (75.7 m) long with a longest span of 101 ft (30.8 m) and a deck 35 ft wide.

Who owns NM-146 over I-10 Ebl/Wbl?

It is owned by the State Highway Agency.