US Bridges

US-285 over Unnamed Waterway

Fair

Eddy County, New Mexico · 22.8 MI S of JCT US-82 · Structure no. 000000000008474

Built
1983
42 years old, rebuilt 1998
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
63 ft
5 main spans
Daily traffic
8,912
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 Eddy County, New Mexico. It was built in 1983 and reconstructed in 1998, so it is 42 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,912 vehicles a day, roughly 13% of them trucks, projected to reach 12,120 by 2043. The structure is 63 ft (19.2 m) long.

CarriesUS-285
CrossesUnnamed Waterway
Location22.8 MI S of JCT US-82
RouteU.S. Route 285
Coordinates32.52235, -104.39419
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length63 ft (19.2 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 traffic8,912 (2023)
Projected traffic12,120 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$313,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-285 over Unnamed Waterway built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 1998.

What condition is US-285 over Unnamed Waterway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

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

About 8,912 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US-285 over Unnamed Waterway?

The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m).

Who owns US-285 over Unnamed Waterway?

It is owned by the State Highway Agency.