US Bridges

FM 417 over Porter Creek

Good

Shelby County, Texas · 2.45 MI SW of SH 87 · Structure no. 112100081001009

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
165 ft
2 main spans
Daily traffic
228
2022 count
Owner
State
State Highway Agency

About this bridge

FM 417 over Porter Creek is a prestressed concrete box beam or girders - multiple carrying FM 417 over Porter Creek in Shelby County, Texas. It was built in 2012, so it is 13 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 228 vehicles a day, roughly 12% of them trucks, projected to reach 319 by 2042. The structure is 165 ft (50.3 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFM 417
CrossesPorter Creek
Location2.45 MI SW of SH 87
RouteState Highway 417
StateTexas
Coordinates31.74098, -94.10759
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.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 spans2 (+1 approach)
Design loadHL 93
Structure length165 ft (50.3 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic228 (2022)
Projected traffic319 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 417 over Porter Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is FM 417 over Porter Creek 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 417 over Porter Creek carry?

About 228 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is FM 417 over Porter Creek?

The structure is 165 ft (50.3 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns FM 417 over Porter Creek?

It is owned by the State Highway Agency.