US Bridges

I-25 Nbl over Coal Avenue

Fair

Bernalillo County, New Mexico · 1.5 MI S of JCT I-25/I-40 · Structure no. 000000000006203

Built
1961
64 years old, rebuilt 1967
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
3 main spans
Daily traffic
111,396
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Coal Avenue is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over Coal Avenue in Bernalillo County, New Mexico. It was built in 1961 and reconstructed in 1967, so it is 64 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 5 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 111,396 vehicles a day, roughly 6% of them trucks, projected to reach 151,498 by 2043. The structure is 149 ft (45.4 m) long and 54 ft wide.

Location

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CarriesI-25 Nbl
CrossesCoal Avenue
Location1.5 MI S of JCT I-25/I-40
RouteInterstate 25
CountyBernalillo County
StateNew Mexico
Coordinates35.07874, -106.63732
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span62 ft (18.9 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111,396 (2023)
Projected traffic151,498 by 2043
Trucks6%
Lanes on structure3
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$612,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over Coal Avenue built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1967.

What condition is I-25 Nbl over Coal Avenue 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 December 2024.

How much traffic does I-25 Nbl over Coal Avenue carry?

About 111,396 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-25 Nbl over Coal Avenue?

The structure is 149 ft (45.4 m) long with a longest span of 62 ft (18.9 m) and a deck 54 ft wide.

Who owns I-25 Nbl over Coal Avenue?

It is owned by the State Highway Agency.