US Bridges

27-Z001 over Rio Ruidoso

Fair

Lincoln County, New Mexico · 446 N of US-70 · Structure no. 000000000009562

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
61 ft
2 main spans
Daily traffic
337
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

27-Z001 over Rio Ruidoso is a prestressed concrete tee beam carrying 27-Z001 over Rio Ruidoso in Lincoln County, New Mexico. It was built in 1960, so it is 65 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 fair condition with a lowest component rating of 5 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 337 vehicles a day, projected to reach 458 by 2043. The structure is 61 ft (18.6 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries27-Z001
CrossesRio Ruidoso
Location446 N of US-70
RouteCity Street 27001
CountyLincoln County
StateNew Mexico
Coordinates33.32669, -105.62523
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating41.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic337 (2023)
Projected traffic458 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 27-Z001 over Rio Ruidoso built?

It was built in 1960, making it 65 years old in 2025.

What condition is 27-Z001 over Rio Ruidoso 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 October 2023.

How much traffic does 27-Z001 over Rio Ruidoso carry?

About 337 vehicles per day (2023 count).

How long is 27-Z001 over Rio Ruidoso?

The structure is 61 ft (18.6 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns 27-Z001 over Rio Ruidoso?

It is owned by the City or Municipal Highway Agency.