US Bridges

NM-345 over Ladera Channel

Good

Bernalillo County, New Mexico · 1.2 MI N of I-40 · Structure no. 000000000010062

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
24,000
2023 count
Owner
State
State Highway Agency

About this bridge

NM-345 over Ladera Channel is a concrete culvert carrying NM-345 over Ladera Channel in Bernalillo County, New Mexico. It was built in 1987, so it is 38 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 24,000 vehicles a day, roughly 13% of them trucks, projected to reach 32,640 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-345
CrossesLadera Channel
Location1.2 MI N of I-40
RouteState Highway 345
Coordinates35.11228, -106.73104
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 inspectionSeptember 2023
Inspection intervalevery 24 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 rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 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 traffic24,000 (2023)
Projected traffic32,640 by 2043
Trucks13%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-345 over Ladera Channel built?

It was built in 1987, making it 38 years old in 2025.

What condition is NM-345 over Ladera Channel 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 2023.

How much traffic does NM-345 over Ladera Channel carry?

About 24,000 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is NM-345 over Ladera Channel?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns NM-345 over Ladera Channel?

It is owned by the State Highway Agency.