US Bridges

NM-47 over I-25 Exit Ramp to N NM47

Fair

Bernalillo County, New Mexico · NM-47 SB over I-25 Ramp · Structure no. 000000000007358

Built
1973
52 years old, rebuilt 2005
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
130 ft
3 main spans
Daily traffic
19,512
2023 count
Owner
State
State Highway Agency

About this bridge

NM-47 over I-25 Exit Ramp to N NM47 is a steel continuous stringer/multi-beam or girder carrying NM-47 over I-25 Exit Ramp to N NM47 in Bernalillo County, New Mexico. It was built in 1973 and reconstructed in 2005, so it is 52 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 19,512 vehicles a day, roughly 13% of them trucks, projected to reach 26,536 by 2043. The structure is 130 ft (39.6 m) long and 57 ft wide.

CarriesNM-47
CrossesI-25 Exit Ramp to N NM47
LocationNM-47 SB over I-25 Ramp
RouteState Highway 47
Coordinates34.95165, -106.6642
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span49 ft (14.9 m)
Deck width57 ft (17.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,512 (2023)
Projected traffic26,536 by 2043
Trucks13%
Lanes on structure2
Traffic directionOne-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 proposedDeck replacement with only incidental widening
Estimated improvement cost$520,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-47 over I-25 Exit Ramp to N NM47 built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2005.

What condition is NM-47 over I-25 Exit Ramp to N NM47 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 June 2023.

How much traffic does NM-47 over I-25 Exit Ramp to N NM47 carry?

About 19,512 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is NM-47 over I-25 Exit Ramp to N NM47?

The structure is 130 ft (39.6 m) long with a longest span of 49 ft (14.9 m) and a deck 57 ft wide.

Who owns NM-47 over I-25 Exit Ramp to N NM47?

It is owned by the State Highway Agency.