US Bridges

IRR/NM-30 over Unnamed Waterway

Fair

Santa Fe County, New Mexico · 1.35 MI North JCT NM-502 · Structure no. 000000000007363

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
8,929
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/NM-30 over Unnamed Waterway is a concrete continuous slab carrying IRR/NM-30 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1973, so it is 52 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 8,929 vehicles a day, roughly 11% of them trucks, projected to reach 12,143 by 2043. The structure is 107 ft (32.7 m) long and 52 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesIRR/NM-30
CrossesUnnamed Waterway
Location1.35 MI North JCT NM-502
RouteState Highway 30
CountySanta Fe County
StateNew Mexico
Coordinates35.89803, -106.13886
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.7 m)
Longest span41 ft (12.5 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,929 (2023)
Projected traffic12,143 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$450,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/NM-30 over Unnamed Waterway built?

It was built in 1973, making it 52 years old in 2025.

What condition is IRR/NM-30 over Unnamed Waterway 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 2024.

How much traffic does IRR/NM-30 over Unnamed Waterway carry?

About 8,929 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IRR/NM-30 over Unnamed Waterway?

The structure is 107 ft (32.7 m) long with a longest span of 41 ft (12.5 m) and a deck 52 ft wide.

Who owns IRR/NM-30 over Unnamed Waterway?

It is owned by the State Highway Agency.