US Bridges

NM-599 over Unnamed Waterway

Good

Santa Fe County, New Mexico · Nm 599 Mm 11.01 · Structure no. 000000000009304

Built
2001
24 years old
Condition
Good
inspected January 2023
Type
Culvert
Steel
Length
36 ft
3 main spans
Daily traffic
18,330
2023 count
Owner
State
State Highway Agency

About this bridge

NM-599 over Unnamed Waterway is a steel culvert carrying NM-599 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 2001, so it is 24 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 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 18,330 vehicles a day, roughly 12% of them trucks, projected to reach 24,928 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNM-599
CrossesUnnamed Waterway
LocationNm 599 Mm 11.01
RouteState Highway 599
Coordinates35.70184, -105.97666
Functional classUrban Other Principal Arterial

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 inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,330 (2023)
Projected traffic24,928 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-599 over Unnamed Waterway built?

It was built in 2001, making it 24 years old in 2025.

What condition is NM-599 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 January 2023.

How much traffic does NM-599 over Unnamed Waterway carry?

About 18,330 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-599 over Unnamed Waterway?

The structure is 36 ft (11 m) long with a longest span of 9 ft (2.7 m).

Who owns NM-599 over Unnamed Waterway?

It is owned by the State Highway Agency.