US Bridges

13-B055 over East Side Canal

Good

Dona Ana County, New Mexico · .67 M W NM-478 @ MP 15.55 · Structure no. 000000000007705

Built
1956
69 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

13-B055 over East Side Canal is a prestressed concrete tee beam carrying 13-B055 over East Side Canal in Dona Ana County, New Mexico. It was built in 1956, so it is 69 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 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 95 by 2043. The structure is 32 ft (9.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries13-B055
CrossesEast Side Canal
Location.67 M W NM-478 @ MP 15.55
RouteCounty Highway 13055
Coordinates32.20132, -106.73166
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating32.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic95 by 2043
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 13-B055 over East Side Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is 13-B055 over East Side Canal 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 January 2025.

How much traffic does 13-B055 over East Side Canal carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 13-B055 over East Side Canal?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns 13-B055 over East Side Canal?

It is owned by the County Highway Agency.