US Bridges

US-285 over Middle Sevens Rivers

Good

Eddy County, New Mexico · 18 M S JCT US82/285 · Structure no. 000000000008978

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
404 ft
4 main spans
Daily traffic
8,912
2023 count
Owner
State
State Highway Agency

About this bridge

US-285 over Middle Sevens Rivers is a prestressed concrete continuous stringer/multi-beam or girder carrying US-285 over Middle Sevens Rivers in Eddy County, New Mexico. It was built in 1998, so it is 27 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 8,912 vehicles a day, roughly 13% of them trucks, projected to reach 12,120 by 2043. The structure is 404 ft (123.1 m) long and 75 ft wide. If it were closed, the detour would be 70.2 mi (113 km).

CarriesUS-285
CrossesMiddle Sevens Rivers
Location18 M S JCT US82/285
RouteU.S. Route 285
Coordinates32.58888, -104.42175
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length404 ft (123.1 m)
Longest span100 ft (30.5 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 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 closed70.2 mi (113 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-285 over Middle Sevens Rivers built?

It was built in 1998, making it 27 years old in 2025.

What condition is US-285 over Middle Sevens Rivers 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 March 2023.

How much traffic does US-285 over Middle Sevens Rivers carry?

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

How long is US-285 over Middle Sevens Rivers?

The structure is 404 ft (123.1 m) long with a longest span of 100 ft (30.5 m) and a deck 75 ft wide.

Who owns US-285 over Middle Sevens Rivers?

It is owned by the State Highway Agency.