US Bridges

Mile 1-1/2 West RD over Irrigation Canal

Fair

Hidalgo County, Texas · 0.5 MI S of Mile 9 N Road · Structure no. 211090AA0863002

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
331
2019 count
Owner
County
County Highway Agency

About this bridge

Mile 1-1/2 West RD over Irrigation Canal is a concrete slab carrying Mile 1-1/2 West RD over Irrigation Canal in Hidalgo County, Texas. It was built in 1975, so it is 50 years old, older than the Texas average of 44.4 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 331 vehicles a day, projected to reach 75 by 2032. The structure is 23 ft (7 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMile 1-1/2 West RD
CrossesIrrigation Canal
Location0.5 MI S of Mile 9 N Road
RouteCounty Highway 0
CountyHidalgo County
StateTexas
Coordinates26.17804, -97.93466
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2019)
Projected traffic75 by 2032
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mile 1-1/2 West RD over Irrigation Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mile 1-1/2 West RD 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 May 2024.

How much traffic does Mile 1-1/2 West RD over Irrigation Canal carry?

About 331 vehicles per day (2019 count).

How long is Mile 1-1/2 West RD over Irrigation Canal?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns Mile 1-1/2 West RD over Irrigation Canal?

It is owned by the County Highway Agency.