US Bridges

FM 3378 over Red Bayou

Fair

Bowie County, Texas · 1.10 MI N of US 82 · Structure no. 190190252602003

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
1,185
2022 count
Owner
State
State Highway Agency

About this bridge

FM 3378 over Red Bayou is a concrete culvert carrying FM 3378 over Red Bayou in Bowie County, Texas. It was built in 1979, so it is 46 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 1,185 vehicles a day, roughly 6% of them trucks, projected to reach 1,760 by 2033. The structure is 44 ft (13.4 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFM 3378
CrossesRed Bayou
Location1.10 MI N of US 82
RouteState Highway 3378
CountyBowie County
StateTexas
Coordinates33.48874, -94.47047
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,185 (2022)
Projected traffic1,760 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 3378 over Red Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is FM 3378 over Red Bayou 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 June 2024.

How much traffic does FM 3378 over Red Bayou carry?

About 1,185 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FM 3378 over Red Bayou?

The structure is 44 ft (13.4 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns FM 3378 over Red Bayou?

It is owned by the State Highway Agency.