US Bridges

IRR/US-84/285 over Unnamed Waterway

Good

Santa Fe County, New Mexico · 6.30 MI S of NM-502 · Structure no. 000000000003009

Built
1959
66 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
35,797
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/US-84/285 over Unnamed Waterway is a concrete culvert carrying IRR/US-84/285 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1959, so it is 66 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,797 vehicles a day, roughly 17% of them trucks, projected to reach 48,683 by 2043. The structure is 45 ft (13.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR/US-84/285
CrossesUnnamed Waterway
Location6.30 MI S of NM-502
RouteU.S. Route 84
Coordinates35.80976, -105.9666
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length45 ft (13.6 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 traffic35,797 (2023)
Projected traffic48,683 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$486,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/US-84/285 over Unnamed Waterway built?

It was built in 1959, making it 66 years old in 2025.

What condition is IRR/US-84/285 over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does IRR/US-84/285 over Unnamed Waterway carry?

About 35,797 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is IRR/US-84/285 over Unnamed Waterway?

The structure is 45 ft (13.6 m) long with a longest span of 10 ft (3 m).

Who owns IRR/US-84/285 over Unnamed Waterway?

It is owned by the State Highway Agency.