US Bridges

FM 100 over Bois Darc Creek Relief

Good

Fannin County, Texas · 2.3 MI S of FM 273 · Structure no. 010750017404042

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
3 main spans
Daily traffic
258
2020 count
Owner
State
State Highway Agency

About this bridge

FM 100 over Bois Darc Creek Relief is a prestressed concrete stringer/multi-beam or girder carrying FM 100 over Bois Darc Creek Relief in Fannin County, Texas. It was built in 1994, so it is 31 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 258 vehicles a day, roughly 9% of them trucks, projected to reach 270 by 2033. The structure is 195 ft (59.4 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFM 100
CrossesBois Darc Creek Relief
Location2.3 MI S of FM 273
RouteState Highway 100
StateTexas
Coordinates33.75979, -95.91598
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2020)
Projected traffic270 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed11.2 mi (18 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 100 over Bois Darc Creek Relief built?

It was built in 1994, making it 31 years old in 2025.

What condition is FM 100 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 100 over Bois Darc Creek Relief carry?

About 258 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is FM 100 over Bois Darc Creek Relief?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 32 ft wide.

Who owns FM 100 over Bois Darc Creek Relief?

It is owned by the State Highway Agency.