US Bridges

31-0030 over Peretti Canyon

FairPosted for load

McKinley County, New Mexico · 1.6 M SE Aztec/Basilio DR · Structure no. 000000000008786

Built
1987
38 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
66 ft
3 main spans
Daily traffic
338
2023 count
Owner
County
County Highway Agency

About this bridge

31-0030 over Peretti Canyon is a steel continuous stringer/multi-beam or girder carrying 31-0030 over Peretti Canyon in McKinley 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 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. Its operating status is: posted for load restriction.

It carries about 338 vehicles a day, projected to reach 459 by 2043. The structure is 66 ft (20 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries31-0030
CrossesPeretti Canyon
Location1.6 M SE Aztec/Basilio DR
RouteCounty Highway 31013
CountyMcKinley County
StateNew Mexico
Coordinates35.51055, -108.67984
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOpen grating
Main spans3
Design loadUnknown
Structure length66 ft (20 m)
Longest span30 ft (9.1 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic338 (2023)
Projected traffic459 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$57,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 31-0030 over Peretti Canyon built?

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

What condition is 31-0030 over Peretti Canyon 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 February 2025.

How much traffic does 31-0030 over Peretti Canyon carry?

About 338 vehicles per day (2023 count).

How long is 31-0030 over Peretti Canyon?

The structure is 66 ft (20 m) long with a longest span of 30 ft (9.1 m) and a deck 14 ft wide.

Who owns 31-0030 over Peretti Canyon?

It is owned by the County Highway Agency.