US Bridges

US-285 over Unnamed Waterway

Good

Chaves County, New Mexico · 7.8 MI S of US-380/ROSWEL · Structure no. 000000000006643

Built
1963
62 years old, rebuilt 1999
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
32 ft
5 main spans
Daily traffic
10,086
2023 count
Owner
State
State Highway Agency

About this bridge

US-285 over Unnamed Waterway is a concrete culvert carrying US-285 over Unnamed Waterway in Chaves County, New Mexico. It was built in 1963 and reconstructed in 1999, so it is 62 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 10,086 vehicles a day, roughly 9% of them trucks, projected to reach 13,716 by 2043. The structure is 32 ft (9.8 m) long.

CarriesUS-285
CrossesUnnamed Waterway
Location7.8 MI S of US-380/ROSWEL
RouteU.S. Route 285
Coordinates33.29986, -104.46625
Functional classRural Principal Arterial - Other

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 inspectionMay 2024
Inspection intervalevery 48 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 rating39.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length32 ft (9.8 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 traffic10,086 (2023)
Projected traffic13,716 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$184,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US-285 over Unnamed Waterway built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1999.

What condition is US-285 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 May 2024.

How much traffic does US-285 over Unnamed Waterway carry?

About 10,086 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US-285 over Unnamed Waterway?

The structure is 32 ft (9.8 m) long with a longest span of 6 ft (1.8 m).

Who owns US-285 over Unnamed Waterway?

It is owned by the State Highway Agency.