US Bridges

IG-2345 over Pecos Arroyo

Fair

San Miguel County, New Mexico · I-25/NM-104 Interchange · Structure no. 000000000008360

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
342
2023 count
Owner
State
State Highway Agency

About this bridge

IG-2345 over Pecos Arroyo is a prestressed concrete stringer/multi-beam or girder carrying IG-2345 over Pecos Arroyo in San Miguel County, New Mexico. It was built in 1982, so it is 43 years old, younger 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 342 vehicles a day, roughly 13% of them trucks, projected to reach 465 by 2043. The structure is 200 ft (61 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesIG-2345
CrossesPecos Arroyo
LocationI-25/NM-104 Interchange
RouteInterstate 2345
CountySan Miguel County
StateNew Mexico
Coordinates35.59755, -105.20766
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span64 ft (19.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic342 (2023)
Projected traffic465 by 2043
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 IG-2345 over Pecos Arroyo built?

It was built in 1982, making it 43 years old in 2025.

What condition is IG-2345 over Pecos Arroyo 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 IG-2345 over Pecos Arroyo carry?

About 342 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IG-2345 over Pecos Arroyo?

The structure is 200 ft (61 m) long with a longest span of 64 ft (19.5 m) and a deck 31 ft wide.

Who owns IG-2345 over Pecos Arroyo?

It is owned by the State Highway Agency.