US Bridges

I-25 SB over Pecos River

Fair

San Miguel County, New Mexico · 1.7 MI S of JCT NM-3 · Structure no. 000000000006589

Built
1966
59 years old, rebuilt 1988
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
3 main spans
Daily traffic
10,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 SB over Pecos River is a steel continuous stringer/multi-beam or girder carrying I-25 SB over Pecos River in San Miguel County, New Mexico. It was built in 1966 and reconstructed in 1988, so it is 59 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 10,100 vehicles a day, roughly 45% of them trucks, projected to reach 13,736 by 2043. The structure is 233 ft (71 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-25 SB
CrossesPecos River
Location1.7 MI S of JCT NM-3
RouteInterstate 25
CountySan Miguel County
StateNew Mexico
Coordinates35.4002, -105.4754
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length233 ft (71 m)
Longest span89 ft (27.1 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2023)
Projected traffic13,736 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-25 SB over Pecos River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1988.

What condition is I-25 SB over Pecos River 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 2023.

How much traffic does I-25 SB over Pecos River carry?

About 10,100 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 SB over Pecos River?

The structure is 233 ft (71 m) long with a longest span of 89 ft (27.1 m) and a deck 41 ft wide.

Who owns I-25 SB over Pecos River?

It is owned by the State Highway Agency.