US Bridges

FM 1409 over Ciwa (lynchberg) Canal

Fair

Liberty County, Texas · 7.2 MI S of US 90 · Structure no. 201460076202006

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
116 ft
3 main spans
Daily traffic
4,698
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1409 over Ciwa (lynchberg) Canal is a concrete stringer/multi-beam or girder carrying FM 1409 over Ciwa (lynchberg) Canal in Liberty County, Texas. It was built in 1972, so it is 53 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 4,698 vehicles a day, roughly 14% of them trucks, projected to reach 4,410 by 2033. The structure is 116 ft (35.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 1409
CrossesCiwa (lynchberg) Canal
Location7.2 MI S of US 90
RouteState Highway 1409
StateTexas
Coordinates29.95031, -94.84352
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span42 ft (12.8 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,698 (2022)
Projected traffic4,410 by 2033
Trucks14%
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

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 1409 over Ciwa (lynchberg) Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is FM 1409 over Ciwa (lynchberg) 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 April 2024.

How much traffic does FM 1409 over Ciwa (lynchberg) Canal carry?

About 4,698 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is FM 1409 over Ciwa (lynchberg) Canal?

The structure is 116 ft (35.4 m) long with a longest span of 42 ft (12.8 m) and a deck 50 ft wide.

Who owns FM 1409 over Ciwa (lynchberg) Canal?

It is owned by the State Highway Agency.