US Bridges

NM-445 over Spring Arroyo

Good

Colfax County, New Mexico · 5.0 MI S of US-64/HOXIE · Structure no. 000000000004945

Built
1942
83 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
33 ft
5 main spans
Daily traffic
116
2023 count
Owner
State
State Highway Agency

About this bridge

NM-445 over Spring Arroyo is a concrete culvert carrying NM-445 over Spring Arroyo in Colfax County, New Mexico. It was built in 1942, so it is 83 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 116 vehicles a day, roughly 11% of them trucks, projected to reach 157 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesNM-445
CrossesSpring Arroyo
Location5.0 MI S of US-64/HOXIE
RouteState Highway 445
Coordinates36.64161, -104.54114
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2023)
Projected traffic157 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-445 over Spring Arroyo built?

It was built in 1942, making it 83 years old in 2025.

What condition is NM-445 over Spring Arroyo 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 November 2024.

How much traffic does NM-445 over Spring Arroyo carry?

About 116 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-445 over Spring Arroyo?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m).

Who owns NM-445 over Spring Arroyo?

It is owned by the State Highway Agency.