US Bridges

13-B016 over Three Saints Main Canal

FairPosted for load

Dona Ana County, New Mexico · .44 M E NM-478 @ Mp. 7.14 · Structure no. 000000000007700

Built
1972
53 years old, rebuilt 1994
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
337
2023 count
Owner
County
County Highway Agency

About this bridge

13-B016 over Three Saints Main Canal is a wood or timber stringer/multi-beam or girder carrying 13-B016 over Three Saints Main Canal in Dona Ana County, New Mexico. It was built in 1972 and reconstructed in 1994, so it is 53 years old, older 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 5 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 337 vehicles a day, projected to reach 458 by 2043. The structure is 29 ft (8.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries13-B016
CrossesThree Saints Main Canal
Location.44 M E NM-478 @ Mp. 7.14
RouteCounty Highway 13016
CountyDona Ana County
StateNew Mexico
Coordinates32.09716, -106.64671
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length29 ft (8.9 m)
Longest span27 ft (8.1 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic337 (2023)
Projected traffic458 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 13-B016 over Three Saints Main Canal built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1994.

What condition is 13-B016 over Three Saints Main Canal 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 January 2025.

How much traffic does 13-B016 over Three Saints Main Canal carry?

About 337 vehicles per day (2023 count).

How long is 13-B016 over Three Saints Main Canal?

The structure is 29 ft (8.9 m) long with a longest span of 27 ft (8.1 m) and a deck 25 ft wide.

Who owns 13-B016 over Three Saints Main Canal?

It is owned by the County Highway Agency.