US Bridges

FM 409 over Bois Darc Creek Relief

Good

Fannin County, Texas · 3.8 MI W of FM 100 · Structure no. 010750294501004

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
234
2020 count
Owner
State
State Highway Agency

About this bridge

FM 409 over Bois Darc Creek Relief is a concrete culvert carrying FM 409 over Bois Darc Creek Relief in Fannin County, Texas. It was built in 1985, so it is 40 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 234 vehicles a day, roughly 9% of them trucks, projected to reach 210 by 2033. The structure is 22 ft (6.7 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 409
CrossesBois Darc Creek Relief
Location3.8 MI W of FM 100
RouteState Highway 409
StateTexas
Coordinates33.74398, -95.96504
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width53 ft (16.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2020)
Projected traffic210 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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 409 over Bois Darc Creek Relief built?

It was built in 1985, making it 40 years old in 2025.

What condition is FM 409 over Bois Darc Creek Relief in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does FM 409 over Bois Darc Creek Relief carry?

About 234 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is FM 409 over Bois Darc Creek Relief?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 53 ft wide.

Who owns FM 409 over Bois Darc Creek Relief?

It is owned by the State Highway Agency.