US Bridges

IRR/NM-124 Wbl over Rio San Jose

Fair

Cibola County, New Mexico · 0.5 MI W of EXIT-114 · Structure no. 000000000005475

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
129 ft
3 main spans
Daily traffic
2,209
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/NM-124 Wbl over Rio San Jose is a steel continuous stringer/multi-beam or girder carrying IRR/NM-124 Wbl over Rio San Jose in Cibola County, New Mexico. It was built in 1955, so it is 70 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 2,209 vehicles a day, roughly 11% of them trucks, projected to reach 3,004 by 2043. The structure is 129 ft (39.3 m) long and 32 ft wide.

CarriesIRR/NM-124 Wbl
CrossesRio San Jose
Location0.5 MI W of EXIT-114
RouteState Highway 124
Coordinates35.03825, -107.37995
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,209 (2023)
Projected traffic3,004 by 2043
Trucks11%
Lanes on structure2
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 statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$330,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/NM-124 Wbl over Rio San Jose built?

It was built in 1955, making it 70 years old in 2025.

What condition is IRR/NM-124 Wbl over Rio San Jose 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 IRR/NM-124 Wbl over Rio San Jose carry?

About 2,209 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IRR/NM-124 Wbl over Rio San Jose?

The structure is 129 ft (39.3 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns IRR/NM-124 Wbl over Rio San Jose?

It is owned by the State Highway Agency.