US Bridges

NM-6 over Unnamed Waterway

Good

Valencia County, New Mexico · 5.5 MI S JCT I40 & NM6 · Structure no. 000000000009759

Built
2018
7 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
112 ft
3 main spans
Daily traffic
1,279
2018 count
Owner
State
State Highway Agency

About this bridge

NM-6 over Unnamed Waterway is a concrete culvert carrying NM-6 over Unnamed Waterway in Valencia County, New Mexico. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,279 vehicles a day, roughly 8% of them trucks, projected to reach 1,180 by 2038. The structure is 112 ft (34.1 m) long and 73 ft wide.

CarriesNM-6
CrossesUnnamed Waterway
Location5.5 MI S JCT I40 & NM6
RouteState Highway 6
Coordinates34.92992, -107.12749
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating54.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length112 ft (34.1 m)
Longest span10 ft (3 m)
Deck width73 ft (22.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,279 (2018)
Projected traffic1,180 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-6 over Unnamed Waterway built?

It was built in 2018, making it 7 years old in 2025.

What condition is NM-6 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 NM-6 over Unnamed Waterway carry?

About 1,279 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is NM-6 over Unnamed Waterway?

The structure is 112 ft (34.1 m) long with a longest span of 10 ft (3 m) and a deck 73 ft wide.

Who owns NM-6 over Unnamed Waterway?

It is owned by the State Highway Agency.