US Bridges

Mile 1 West Road over Main Supply Canal

PoorPosted for load

Hidalgo County, Texas · 0.25 MI S of Mile 10 N RD · Structure no. 211090AA0824001

Built
1965
60 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
93 ft
3 main spans
Daily traffic
123
2024 count
Owner
County
County Highway Agency

About this bridge

Mile 1 West Road over Main Supply Canal is a concrete stringer/multi-beam or girder carrying Mile 1 West Road over Main Supply Canal in Hidalgo County, Texas. It was built in 1965, so it is 60 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 123 vehicles a day, roughly 1% of them trucks, projected to reach 175 by 2032. The structure is 93 ft (28.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMile 1 West Road
CrossesMain Supply Canal
Location0.25 MI S of Mile 10 N RD
RouteCounty Highway 0
StateTexas
Coordinates26.196, -97.92694
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length93 ft (28.3 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2024)
Projected traffic175 by 2032
Trucks1%
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 West Road over Main Supply Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mile 1 West Road over Main Supply Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Mile 1 West Road over Main Supply Canal carry?

About 123 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mile 1 West Road over Main Supply Canal?

The structure is 93 ft (28.3 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Mile 1 West Road over Main Supply Canal?

It is owned by the County Highway Agency.