US Bridges

27-Z010 over Rio Ruidoso

Fair

Lincoln County, New Mexico · East End of N. Loop Dr. · Structure no. 000000000009189

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
345
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

27-Z010 over Rio Ruidoso is a prestressed concrete tee beam carrying 27-Z010 over Rio Ruidoso in Lincoln County, New Mexico. It was built in 1965, so it is 60 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 345 vehicles a day, projected to reach 469 by 2043. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries27-Z010
CrossesRio Ruidoso
LocationEast End of N. Loop Dr.
RouteCounty Highway 27010
Coordinates33.3355, -105.709
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length28 ft (8.5 m)
Longest span23 ft (7 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2023)
Projected traffic469 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 27-Z010 over Rio Ruidoso built?

It was built in 1965, making it 60 years old in 2025.

What condition is 27-Z010 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 June 2024.

How much traffic does 27-Z010 over Rio Ruidoso carry?

About 345 vehicles per day (2023 count).

How long is 27-Z010 over Rio Ruidoso?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7 m) and a deck 15 ft wide.

Who owns 27-Z010 over Rio Ruidoso?

It is owned by the City or Municipal Highway Agency.