US Bridges

FR-2176 over I-25 Nbl/Sbl

Fair

Colfax County, New Mexico · 11.4 MI S of JCT US-64 · Structure no. 000000000007128

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
4 main spans
Daily traffic
140
2023 count
Owner
State
State Highway Agency

About this bridge

FR-2176 over I-25 Nbl/Sbl is a prestressed concrete stringer/multi-beam or girder carrying FR-2176 over I-25 Nbl/Sbl in Colfax County, New Mexico. It was built in 1970, so it is 55 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 140 vehicles a day, roughly 12% of them trucks, projected to reach 190 by 2043. The structure is 245 ft (74.7 m) long and 35 ft wide.

CarriesFR-2176
CrossesI-25 Nbl/Sbl
Location11.4 MI S of JCT US-64
RouteState Highway 2176
Coordinates36.66298, -104.49411
Functional classRural Minor 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 inspectionOctober 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic190 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FR-2176 over I-25 Nbl/Sbl built?

It was built in 1970, making it 55 years old in 2025.

What condition is FR-2176 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 October 2024.

How much traffic does FR-2176 over I-25 Nbl/Sbl carry?

About 140 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FR-2176 over I-25 Nbl/Sbl?

The structure is 245 ft (74.7 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns FR-2176 over I-25 Nbl/Sbl?

It is owned by the State Highway Agency.