US Bridges

FM 139 over Bayou Siepe Relief

Good

Shelby County, Texas · 1.15 MI N of FM 3184 · Structure no. 112100074201021

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
379
2022 count
Owner
State
State Highway Agency

About this bridge

FM 139 over Bayou Siepe Relief is a prestressed concrete box beam or girders - multiple carrying FM 139 over Bayou Siepe Relief in Shelby County, Texas. It was built in 2013, so it is 12 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 379 vehicles a day, roughly 13% of them trucks, projected to reach 531 by 2042. The structure is 200 ft (61 m) long and 32 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesFM 139
CrossesBayou Siepe Relief
Location1.15 MI N of FM 3184
RouteState Highway 139
StateTexas
Coordinates31.72147, -93.90907
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic379 (2022)
Projected traffic531 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed29.2 mi (47 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 139 over Bayou Siepe Relief built?

It was built in 2013, making it 12 years old in 2025.

What condition is FM 139 over Bayou Siepe 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 April 2024.

How much traffic does FM 139 over Bayou Siepe Relief carry?

About 379 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is FM 139 over Bayou Siepe Relief?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns FM 139 over Bayou Siepe Relief?

It is owned by the State Highway Agency.