US Bridges

NM-549 over I-10 Ebl/Wbl

Fair

Dona Ana County, New Mexico · 6.1 MI E Luna/Dona Ana Cl · Structure no. 000000000006582

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
4 main spans
Daily traffic
28
2023 count
Owner
State
State Highway Agency

About this bridge

NM-549 over I-10 Ebl/Wbl is a prestressed concrete stringer/multi-beam or girder carrying NM-549 over I-10 Ebl/Wbl in Dona Ana County, New Mexico. It was built in 1965, so it is 60 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 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 28 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2043. The structure is 215 ft (65.5 m) long and 31 ft wide.

CarriesNM-549
CrossesI-10 Ebl/Wbl
Location6.1 MI E Luna/Dona Ana Cl
RouteState Highway 549
Coordinates32.24121, -107.19399
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating25.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span69 ft (21 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2023)
Projected traffic38 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-549 over I-10 Ebl/Wbl built?

It was built in 1965, making it 60 years old in 2025.

What condition is NM-549 over I-10 Ebl/Wbl 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 March 2023.

How much traffic does NM-549 over I-10 Ebl/Wbl carry?

About 28 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NM-549 over I-10 Ebl/Wbl?

The structure is 215 ft (65.5 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.

Who owns NM-549 over I-10 Ebl/Wbl?

It is owned by the State Highway Agency.