US Bridges

FL-5656 over I-25 Nbl/Sbl

Fair

Colfax County, New Mexico · 2.4 MI N of JCT US-64/87 · Structure no. 000000000006212

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
4 main spans
Daily traffic
2,180
2023 count
Owner
State
State Highway Agency

About this bridge

FL-5656 over I-25 Nbl/Sbl is a steel continuous stringer/multi-beam or girder carrying FL-5656 over I-25 Nbl/Sbl in Colfax County, New Mexico. It was built in 1960, so it is 65 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 2,180 vehicles a day, roughly 5% of them trucks, projected to reach 2,964 by 2043. The structure is 201 ft (61.3 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFL-5656
CrossesI-25 Nbl/Sbl
Location2.4 MI N of JCT US-64/87
RouteCity Street 5656
CountyColfax County
StateNew Mexico
Coordinates36.91349, -104.43458
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span56 ft (17.1 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,180 (2023)
Projected traffic2,964 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5656 over I-25 Nbl/Sbl built?

It was built in 1960, making it 65 years old in 2025.

What condition is FL-5656 over I-25 Nbl/Sbl 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 2024.

How much traffic does FL-5656 over I-25 Nbl/Sbl carry?

About 2,180 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-5656 over I-25 Nbl/Sbl?

The structure is 201 ft (61.3 m) long with a longest span of 56 ft (17.1 m) and a deck 40 ft wide.

Who owns FL-5656 over I-25 Nbl/Sbl?

It is owned by the State Highway Agency.