US Bridges

55-B007 over Rio Hondo

Good

Taos County, New Mexico · 2.4 MI W of JCT NM-522 · Structure no. 000000000009986

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
53 ft
1 main span
Daily traffic
234
2021 count
Owner
County
County Highway Agency

About this bridge

55-B007 over Rio Hondo is a concrete stringer/multi-beam or girder carrying 55-B007 over Rio Hondo in Taos County, New Mexico. It was built in 2023, so it is 2 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 234 vehicles a day, projected to reach 318 by 2041. The structure is 53 ft (16.2 m) long and 29 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
Carries55-B007
CrossesRio Hondo
Location2.4 MI W of JCT NM-522
RouteCounty Highway 55007
CountyTaos County
StateNew Mexico
Coordinates36.53412, -105.70677
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating74.3 US tons
Inventory rating55.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2021)
Projected traffic318 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$118,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 55-B007 over Rio Hondo built?

It was built in 2023, making it 2 years old in 2025.

What condition is 55-B007 over Rio Hondo 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 October 2023.

How much traffic does 55-B007 over Rio Hondo carry?

About 234 vehicles per day (2021 count).

How long is 55-B007 over Rio Hondo?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns 55-B007 over Rio Hondo?

It is owned by the County Highway Agency.