US Bridges

IA-2345 over Pecos Arroyo

Fair

San Miguel County, New Mexico · I-25/NM-104 Interchange · Structure no. 000000000008361

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
189 ft
3 main spans
Daily traffic
1,556
2023 count
Owner
State
State Highway Agency

About this bridge

IA-2345 over Pecos Arroyo is a prestressed concrete stringer/multi-beam or girder carrying IA-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 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 1,556 vehicles a day, roughly 14% of them trucks, projected to reach 2,116 by 2043. The structure is 189 ft (57.6 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesIA-2345
CrossesPecos Arroyo
LocationI-25/NM-104 Interchange
RouteInterstate 2345
CountySan Miguel County
StateNew Mexico
Coordinates35.59265, -105.20882
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 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 length189 ft (57.6 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,556 (2023)
Projected traffic2,116 by 2043
Trucks14%
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 IA-2345 over Pecos Arroyo built?

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

What condition is IA-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 February 2024.

How much traffic does IA-2345 over Pecos Arroyo carry?

About 1,556 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is IA-2345 over Pecos Arroyo?

The structure is 189 ft (57.6 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns IA-2345 over Pecos Arroyo?

It is owned by the State Highway Agency.