US Bridges

FM 1420 over N Floodway Pilot Channel

Fair

Willacy County, Texas · 0.3 MI S of FM 1018 · Structure no. 212450142501003

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
180 ft
7 main spans
Daily traffic
551
2024 count
Owner
State
State Highway Agency

About this bridge

FM 1420 over N Floodway Pilot Channel is a concrete continuous slab carrying FM 1420 over N Floodway Pilot Channel in Willacy County, Texas. It was built in 1968, so it is 57 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 551 vehicles a day, roughly 25% of them trucks, projected to reach 1,110 by 2033. The structure is 180 ft (54.9 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFM 1420
CrossesN Floodway Pilot Channel
Location0.3 MI S of FM 1018
RouteState Highway 1420
StateTexas
Coordinates26.35765, -97.58595
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2024)
Projected traffic1,110 by 2033
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 1420 over N Floodway Pilot Channel built?

It was built in 1968, making it 57 years old in 2025.

What condition is FM 1420 over N Floodway Pilot Channel 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 March 2023.

How much traffic does FM 1420 over N Floodway Pilot Channel carry?

About 551 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is FM 1420 over N Floodway Pilot Channel?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns FM 1420 over N Floodway Pilot Channel?

It is owned by the State Highway Agency.