US Bridges

47-Z000 over Unnamed Waterway

Good

San Miguel County, New Mexico · 0.2 MI E of NM-3 · Structure no. 000000000009437

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
64 ft
5 main spans
Daily traffic
210
2023 count
Owner
County
County Highway Agency

About this bridge

47-Z000 over Unnamed Waterway is a concrete culvert carrying 47-Z000 over Unnamed Waterway in San Miguel County, New Mexico. It was built in 2008, so it is 17 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 210 vehicles a day, projected to reach 285 by 2043. The structure is 64 ft (19.5 m) long and 102 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries47-Z000
CrossesUnnamed Waterway
Location0.2 MI E of NM-3
RouteCounty Highway 47000
Coordinates35.37312, -105.44677
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span12 ft (3.7 m)
Deck width102 ft (31 m)
Roadway width92 ft (27.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2023)
Projected traffic285 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 47-Z000 over Unnamed Waterway built?

It was built in 2008, making it 17 years old in 2025.

What condition is 47-Z000 over Unnamed Waterway 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 May 2024.

How much traffic does 47-Z000 over Unnamed Waterway carry?

About 210 vehicles per day (2023 count).

How long is 47-Z000 over Unnamed Waterway?

The structure is 64 ft (19.5 m) long with a longest span of 12 ft (3.7 m) and a deck 102 ft wide.

Who owns 47-Z000 over Unnamed Waterway?

It is owned by the County Highway Agency.