US Bridges

13-A443 over LA Union West Lateral

Fair

Dona Ana County, New Mexico · .1 M E of NM-28 @ MP 6.50 · Structure no. 000000000008188

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
384
2023 count
Owner
County
County Highway Agency

About this bridge

13-A443 over LA Union West Lateral is a concrete channel beam carrying 13-A443 over LA Union West Lateral in Dona Ana County, New Mexico. It was built in 1979, so it is 46 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.

It carries about 384 vehicles a day, roughly 5% of them trucks, projected to reach 522 by 2043. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries13-A443
CrossesLA Union West Lateral
Location.1 M E of NM-28 @ MP 6.50
RouteCounty Highway 13443
Coordinates32.00182, -106.6546
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.3 US tons
Inventory rating33.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic384 (2023)
Projected traffic522 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 13-A443 over LA Union West Lateral built?

It was built in 1979, making it 46 years old in 2025.

What condition is 13-A443 over LA Union West Lateral 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 2024.

How much traffic does 13-A443 over LA Union West Lateral carry?

About 384 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 13-A443 over LA Union West Lateral?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns 13-A443 over LA Union West Lateral?

It is owned by the County Highway Agency.