US Bridges

NM-344 over Unnamed Waterway

Good

Santa Fe County, New Mexico · 1.80 MI North JCT I-40 · Structure no. 000000000008318

Built
1980
45 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
2,491
2023 count
Owner
State
State Highway Agency

About this bridge

NM-344 over Unnamed Waterway is a steel culvert carrying NM-344 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1980, so it is 45 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 2,491 vehicles a day, roughly 11% of them trucks, projected to reach 3,387 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesNM-344
CrossesUnnamed Waterway
Location1.80 MI North JCT I-40
RouteState Highway 344
Coordinates35.0897, -106.1915
Functional classRural Major Collector

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,491 (2023)
Projected traffic3,387 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

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-344 over Unnamed Waterway built?

It was built in 1980, making it 45 years old in 2025.

What condition is NM-344 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 December 2023.

How much traffic does NM-344 over Unnamed Waterway carry?

About 2,491 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-344 over Unnamed Waterway?

The structure is 36 ft (11 m) long with a longest span of 18 ft (5.5 m).

Who owns NM-344 over Unnamed Waterway?

It is owned by the State Highway Agency.