US Bridges

NM-512 over Chavez Creek

Good

Rio Arriba County, New Mexico · NM-512 @ Mm 3.2 · Structure no. 000000000009351

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
67 ft
1 main span
Daily traffic
697
2023 count
Owner
State
State Highway Agency

About this bridge

NM-512 over Chavez Creek is a wood or timber stringer/multi-beam or girder carrying NM-512 over Chavez Creek in Rio Arriba County, New Mexico. It was built in 2005, so it is 20 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 697 vehicles a day, roughly 11% of them trucks, projected to reach 947 by 2043. The structure is 67 ft (20.3 m) long and 30 ft wide.

CarriesNM-512
CrossesChavez Creek
LocationNM-512 @ Mm 3.2
RouteState Highway 512
Coordinates36.74391, -106.51037
Functional classRural Minor Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating51 US tons
Inventory rating35.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length67 ft (20.3 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic697 (2023)
Projected traffic947 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NM-512 over Chavez Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is NM-512 over Chavez Creek 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 September 2023.

How much traffic does NM-512 over Chavez Creek carry?

About 697 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-512 over Chavez Creek?

The structure is 67 ft (20.3 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns NM-512 over Chavez Creek?

It is owned by the State Highway Agency.