US Bridges

FL-5656 over NM-72

Fair

Colfax County, New Mexico · 0.1 MI E of JCT LOOP-17 · Structure no. 000000000005445

Built
1940
85 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
133
2023 count
Owner
State
State Highway Agency

About this bridge

FL-5656 over NM-72 is a steel stringer/multi-beam or girder carrying FL-5656 over NM-72 in Colfax County, New Mexico. It was built in 1940, so it is 85 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 133 vehicles a day, projected to reach 180 by 2043. The structure is 50 ft (15.2 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFL-5656
CrossesNM-72
Location0.1 MI E of JCT LOOP-17
RouteCity Street 5656
Coordinates36.90557, -104.43828
Functional classUrban Local

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 inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width52 ft (16 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2023)
Projected traffic180 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5656 over NM-72 built?

It was built in 1940, making it 85 years old in 2025.

What condition is FL-5656 over NM-72 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 May 2023.

How much traffic does FL-5656 over NM-72 carry?

About 133 vehicles per day (2023 count).

How long is FL-5656 over NM-72?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 52 ft wide.

Who owns FL-5656 over NM-72?

It is owned by the State Highway Agency.