US Bridges

US-285 Sbl over Rio Penasco

Fair

Eddy County, New Mexico · 6.8 MI S of JCT US-82 · Structure no. 000000000008813

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
3 main spans
Daily traffic
9,240
2023 count
Owner
State
State Highway Agency

About this bridge

US-285 Sbl over Rio Penasco is a prestressed concrete continuous stringer/multi-beam or girder carrying US-285 Sbl over Rio Penasco in Eddy County, New Mexico. It was built in 1992, so it is 33 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 9,240 vehicles a day, roughly 23% of them trucks, projected to reach 12,566 by 2043. The structure is 175 ft (53.3 m) long and 41 ft wide.

CarriesUS-285 Sbl
CrossesRio Penasco
Location6.8 MI S of JCT US-82
RouteU.S. Route 285
Coordinates32.74383, -104.39588
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span65 ft (19.8 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,240 (2023)
Projected traffic12,566 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-285 Sbl over Rio Penasco built?

It was built in 1992, making it 33 years old in 2025.

What condition is US-285 Sbl over Rio Penasco 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 September 2024.

How much traffic does US-285 Sbl over Rio Penasco carry?

About 9,240 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is US-285 Sbl over Rio Penasco?

The structure is 175 ft (53.3 m) long with a longest span of 65 ft (19.8 m) and a deck 41 ft wide.

Who owns US-285 Sbl over Rio Penasco?

It is owned by the State Highway Agency.