US Bridges

L-00017 over Unnamed Waterway

Good

Colfax County, New Mexico · 1.1 MI N of JCT I-25 · Structure no. 000000000005301

Built
1950
75 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
4,433
2023 count
Owner
State
State Highway Agency

About this bridge

L-00017 over Unnamed Waterway is a concrete culvert carrying L-00017 over Unnamed Waterway in Colfax County, New Mexico. It was built in 1950, so it is 75 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 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 4,433 vehicles a day, roughly 12% of them trucks, projected to reach 6,028 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesL-00017
CrossesUnnamed Waterway
Location1.1 MI N of JCT I-25
RouteU.S. Route 17
Coordinates36.88063, -104.44
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 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 alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,433 (2023)
Projected traffic6,028 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was L-00017 over Unnamed Waterway built?

It was built in 1950, making it 75 years old in 2025.

What condition is L-00017 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 2023.

How much traffic does L-00017 over Unnamed Waterway carry?

About 4,433 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is L-00017 over Unnamed Waterway?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m).

Who owns L-00017 over Unnamed Waterway?

It is owned by the State Highway Agency.