US Bridges

FM 409 over Bois Darc Creek

Fair

Fannin County, Texas · 3.55 MI W of FM 100 · Structure no. 010750294501002

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
197
2023 count
Owner
State
State Highway Agency

About this bridge

FM 409 over Bois Darc Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 409 over Bois Darc Creek in Fannin 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 197 vehicles a day, roughly 9% of them trucks, projected to reach 210 by 2033. The structure is 240 ft (73.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 409
CrossesBois Darc Creek
Location3.55 MI W of FM 100
RouteState Highway 409
StateTexas
Coordinates33.74423, -95.96087
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic197 (2023)
Projected traffic210 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 built?

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

What condition is FM 409 over Bois Darc Creek 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 October 2024.

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

About 197 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FM 409 over Bois Darc Creek?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns FM 409 over Bois Darc Creek?

It is owned by the State Highway Agency.