US Bridges

43-Z001 over Rio Puerco

Good

Sandoval County, New Mexico · 13.2 M SW US-550/NM-279 · Structure no. 000000000008706

Built
1987
38 years old
Condition
Good
inspected June 2024
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
102
2023 count
Owner
County
County Highway Agency

About this bridge

43-Z001 over Rio Puerco is a steel culvert carrying 43-Z001 over Rio Puerco in Sandoval County, New Mexico. It was built in 1987, so it is 38 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 102 vehicles a day, projected to reach 138 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Carries43-Z001
CrossesRio Puerco
Location13.2 M SW US-550/NM-279
RouteCounty Highway 43001
Coordinates35.62001, -107.1122
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2023)
Projected traffic138 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 43-Z001 over Rio Puerco built?

It was built in 1987, making it 38 years old in 2025.

What condition is 43-Z001 over Rio Puerco 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 43-Z001 over Rio Puerco carry?

About 102 vehicles per day (2023 count).

How long is 43-Z001 over Rio Puerco?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m).

Who owns 43-Z001 over Rio Puerco?

It is owned by the County Highway Agency.