US Bridges

CR-728 over Irrigation Canal

Fair

Eddy County, New Mexico · 2.75 M W of US-285 · Structure no. 000000000009721

Built
2010
15 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
463
2023 count
Owner
County
County Highway Agency

About this bridge

CR-728 over Irrigation Canal is a prestressed concrete tee beam carrying CR-728 over Irrigation Canal in Eddy County, New Mexico. It was built in 2010, so it is 15 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 5 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 463 vehicles a day, roughly 11% of them trucks, projected to reach 629 by 2043. The structure is 36 ft (10.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR-728
CrossesIrrigation Canal
Location2.75 M W of US-285
RouteCounty Highway 1501
Coordinates32.29798, -104.15225
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length36 ft (10.9 m)
Longest span0 ft (0 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic463 (2023)
Projected traffic629 by 2043
Trucks11%
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 CR-728 over Irrigation Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is CR-728 over Irrigation 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 2024.

How much traffic does CR-728 over Irrigation Canal carry?

About 463 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is CR-728 over Irrigation Canal?

The structure is 36 ft (10.9 m) long and a deck 26 ft wide.

Who owns CR-728 over Irrigation Canal?

It is owned by the County Highway Agency.