US Bridges

FM 1422 over Willacy Main Canal

Fair

Hidalgo County, Texas · 0.75 MI E of FM 1015 · Structure no. 211090123602004

Built
2007
18 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
163 ft
4 main spans
Daily traffic
358
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1422 over Willacy Main Canal is a concrete stringer/multi-beam or girder carrying FM 1422 over Willacy Main Canal in Hidalgo County, Texas. It was built in 2007, so it is 18 years old, younger 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 358 vehicles a day, roughly 6% of them trucks, projected to reach 530 by 2033. The structure is 163 ft (49.7 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 1422
CrossesWillacy Main Canal
Location0.75 MI E of FM 1015
RouteState Highway 1422
StateTexas
Coordinates26.37808, -97.92248
Functional classRural Major Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length163 ft (49.7 m)
Longest span41 ft (12.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic358 (2020)
Projected traffic530 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 1422 over Willacy Main Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is FM 1422 over Willacy Main 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 2023.

How much traffic does FM 1422 over Willacy Main Canal carry?

About 358 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is FM 1422 over Willacy Main Canal?

The structure is 163 ft (49.7 m) long with a longest span of 41 ft (12.5 m) and a deck 46 ft wide.

Who owns FM 1422 over Willacy Main Canal?

It is owned by the State Highway Agency.