US Bridges

FL-5650 over I-25 Nbl/Sbl

Fair

Colfax County, New Mexico · 0.5 MI N of S Raton Inter · Structure no. 000000000006110

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
212 ft
4 main spans
Daily traffic
293
2023 count
Owner
State
State Highway Agency

About this bridge

FL-5650 over I-25 Nbl/Sbl is a concrete stringer/multi-beam or girder carrying FL-5650 over I-25 Nbl/Sbl in Colfax County, New Mexico. It was built in 1959, so it is 66 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 293 vehicles a day, roughly 11% of them trucks, projected to reach 398 by 2043. The structure is 212 ft (64.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFL-5650
CrossesI-25 Nbl/Sbl
Location0.5 MI N of S Raton Inter
RouteCity Street 5650
Coordinates36.87046, -104.43693
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 alignment6: Equal to present minimum criteria
Operating rating57.4 US tons
Inventory rating34.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2023)
Projected traffic398 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$826,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5650 over I-25 Nbl/Sbl built?

It was built in 1959, making it 66 years old in 2025.

What condition is FL-5650 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 July 2024.

How much traffic does FL-5650 over I-25 Nbl/Sbl carry?

About 293 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FL-5650 over I-25 Nbl/Sbl?

The structure is 212 ft (64.6 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns FL-5650 over I-25 Nbl/Sbl?

It is owned by the State Highway Agency.