US Bridges

13-A045 over LA Union West Lateral

Fair

Dona Ana County, New Mexico · 0.5 MI W NM-28 @ MP 4.26 · Structure no. 000000000007696

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
337
2023 count
Owner
County
County Highway Agency

About this bridge

13-A045 over LA Union West Lateral is a concrete slab carrying 13-A045 over LA Union West Lateral in Dona Ana County, New Mexico. It was built in 1961, so it is 64 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 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 337 vehicles a day, projected to reach 458 by 2043. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries13-A045
CrossesLA Union West Lateral
Location0.5 MI W NM-28 @ MP 4.26
RouteCounty Highway 13045
CountyDona Ana County
StateNew Mexico
Coordinates31.9693, -106.65956
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating28.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 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 closed5 mi (8 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$34,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 13-A045 over LA Union West Lateral built?

It was built in 1961, making it 64 years old in 2025.

What condition is 13-A045 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 November 2023.

How much traffic does 13-A045 over LA Union West Lateral carry?

About 337 vehicles per day (2023 count).

How long is 13-A045 over LA Union West Lateral?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns 13-A045 over LA Union West Lateral?

It is owned by the County Highway Agency.