US Bridges

I-40 Wbl over Horizon Ave/Milan

Good

Cibola County, New Mexico · I-40 Exit 79 · Structure no. 000000000007315

Built
1971
54 years old, rebuilt 1999
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
3 main spans
Daily traffic
18,572
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over Horizon Ave/Milan is a prestressed concrete stringer/multi-beam or girder carrying I-40 Wbl over Horizon Ave/Milan in Cibola County, New Mexico. It was built in 1971 and reconstructed in 1999, so it is 54 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 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 18,572 vehicles a day, roughly 14% of them trucks, projected to reach 25,257 by 2043. The structure is 185 ft (56.4 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesI-40 Wbl
CrossesHorizon Ave/Milan
LocationI-40 Exit 79
RouteInterstate 40
CountyCibola County
StateNew Mexico
Coordinates35.18239, -107.90105
Functional classUrban Principal Arterial - Interstate

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating32.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span102 ft (31.1 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,572 (2023)
Projected traffic25,257 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-40 Wbl over Horizon Ave/Milan built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1999.

What condition is I-40 Wbl over Horizon Ave/Milan 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 March 2023.

How much traffic does I-40 Wbl over Horizon Ave/Milan carry?

About 18,572 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-40 Wbl over Horizon Ave/Milan?

The structure is 185 ft (56.4 m) long with a longest span of 102 ft (31.1 m) and a deck 45 ft wide.

Who owns I-40 Wbl over Horizon Ave/Milan?

It is owned by the State Highway Agency.