US Bridges

Coal Avenue over 1st ST & Nmrx

Fair

Bernalillo County, New Mexico · Coal Ave over RR and 1st · Structure no. 000000000001773

Built
1936
89 years old, rebuilt 1978
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
915 ft
15 main spans
Daily traffic
6,413
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Coal Avenue over 1st ST & Nmrx is a steel continuous stringer/multi-beam or girder carrying Coal Avenue over 1st ST & Nmrx in Bernalillo County, New Mexico. It was built in 1936 and reconstructed in 1978, so it is 89 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 6,413 vehicles a day, roughly 12% of them trucks, projected to reach 8,721 by 2043. The structure is 915 ft (278.9 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCoal Avenue
Crosses1st ST & Nmrx
LocationCoal Ave over RR and 1st
RouteCity Street 4028
CountyBernalillo County
StateNew Mexico
Coordinates35.07998, -106.64735
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length915 ft (278.9 m)
Longest span81 ft (24.7 m)
Deck width54 ft (16.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,413 (2023)
Projected traffic8,721 by 2043
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.6 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Coal Avenue over 1st ST & Nmrx built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1978.

What condition is Coal Avenue over 1st ST & Nmrx 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 April 2024.

How much traffic does Coal Avenue over 1st ST & Nmrx carry?

About 6,413 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Coal Avenue over 1st ST & Nmrx?

The structure is 915 ft (278.9 m) long with a longest span of 81 ft (24.7 m) and a deck 54 ft wide.

Who owns Coal Avenue over 1st ST & Nmrx?

It is owned by the City or Municipal Highway Agency.