US Bridges

55-Z016 over Rio Grande De Ranchos

Fair

Taos County, New Mexico · 0.40 MI S of NM-518/TALPA · Structure no. 000000000008612

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
252
2023 count
Owner
County
County Highway Agency

About this bridge

55-Z016 over Rio Grande De Ranchos is a prestressed concrete tee beam carrying 55-Z016 over Rio Grande De Ranchos in Taos County, New Mexico. It was built in 1984, so it is 41 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 252 vehicles a day, projected to reach 342 by 2043. The structure is 38 ft (11.5 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries55-Z016
CrossesRio Grande De Ranchos
Location0.40 MI S of NM-518/TALPA
RouteCounty Highway 55016
Coordinates36.33448, -105.59655
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
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 inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span38 ft (11.5 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic252 (2023)
Projected traffic342 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 55-Z016 over Rio Grande De Ranchos built?

It was built in 1984, making it 41 years old in 2025.

What condition is 55-Z016 over Rio Grande De Ranchos 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 May 2024.

How much traffic does 55-Z016 over Rio Grande De Ranchos carry?

About 252 vehicles per day (2023 count).

How long is 55-Z016 over Rio Grande De Ranchos?

The structure is 38 ft (11.5 m) long with a longest span of 38 ft (11.5 m) and a deck 18 ft wide.

Who owns 55-Z016 over Rio Grande De Ranchos?

It is owned by the County Highway Agency.