US Bridges

IRR/NM-502 over Guaje Arroyo

Fair

Santa Fe County, New Mexico · 0.54 MI W of JCT NM-30 · Structure no. 000000000010041

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
61 ft
4 main spans
Daily traffic
18,361
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/NM-502 over Guaje Arroyo is a concrete culvert carrying IRR/NM-502 over Guaje Arroyo in Santa Fe County, New Mexico. It was built in 1992, so it is 33 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 18,361 vehicles a day, roughly 17% of them trucks, projected to reach 24,970 by 2043. The structure is 61 ft (18.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR/NM-502
CrossesGuaje Arroyo
Location0.54 MI W of JCT NM-30
RouteState Highway 502
Coordinates35.88465, -106.16237
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,361 (2023)
Projected traffic24,970 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$745,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/NM-502 over Guaje Arroyo built?

It was built in 1992, making it 33 years old in 2025.

What condition is IRR/NM-502 over Guaje 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 June 2024.

How much traffic does IRR/NM-502 over Guaje Arroyo carry?

About 18,361 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is IRR/NM-502 over Guaje Arroyo?

The structure is 61 ft (18.6 m) long with a longest span of 10 ft (3 m).

Who owns IRR/NM-502 over Guaje Arroyo?

It is owned by the State Highway Agency.