US Bridges

IRR/US84/285/ FR over Unnamed Waterway

Fair

Santa Fe County, New Mexico · 7.3 MI S of NM-502 · Structure no. 000000000003006

Built
1959
66 years old, rebuilt 2004
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
72,062
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/US84/285/ FR over Unnamed Waterway is a concrete culvert carrying IRR/US84/285/ FR over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1959 and reconstructed in 2004, 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 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 72,062 vehicles a day, roughly 17% of them trucks, projected to reach 98,004 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR/US84/285/ FR
CrossesUnnamed Waterway
Location7.3 MI S of NM-502
RouteU.S. Route 84
CountySanta Fe County
StateNew Mexico
Coordinates35.79777, -105.9576
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic72,062 (2023)
Projected traffic98,004 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$315,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/US84/285/ FR over Unnamed Waterway built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2004.

What condition is IRR/US84/285/ FR 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 July 2024.

How much traffic does IRR/US84/285/ FR over Unnamed Waterway carry?

About 72,062 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is IRR/US84/285/ FR over Unnamed Waterway?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns IRR/US84/285/ FR over Unnamed Waterway?

It is owned by the State Highway Agency.