US Bridges

27-B018 over Ruidoso River

Good

Lincoln County, New Mexico · 0.25 MI S US-70 @MP-284.3 · Structure no. 000000000008788

Built
1991
34 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
345
2023 count
Owner
County
County Highway Agency

About this bridge

27-B018 over Ruidoso River is a steel stringer/multi-beam or girder carrying 27-B018 over Ruidoso River in Lincoln County, New Mexico. It was built in 1991, so it is 34 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 345 vehicles a day, projected to reach 469 by 2043. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries27-B018
CrossesRuidoso River
Location0.25 MI S US-70 @MP-284.3
RouteCounty Highway 27018
Coordinates33.38634, -105.28258
Functional classRural Local

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.5 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2023)
Projected traffic469 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

OwnerCounty Highway Agency
Maintained byCounty 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-B018 over Ruidoso River built?

It was built in 1991, making it 34 years old in 2025.

What condition is 27-B018 over Ruidoso River 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 June 2024.

How much traffic does 27-B018 over Ruidoso River carry?

About 345 vehicles per day (2023 count).

How long is 27-B018 over Ruidoso River?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns 27-B018 over Ruidoso River?

It is owned by the County Highway Agency.