US Bridges

FM 79 over Slough Creek

Good

Lamar County, Texas · 1.40 MI W of FM 197 · Structure no. 011390068802034

Built
2003
22 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
399
2020 count
Owner
State
State Highway Agency

About this bridge

FM 79 over Slough Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 79 over Slough Creek in Lamar County, Texas. It was built in 2003, so it is 22 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 399 vehicles a day, roughly 13% of them trucks, projected to reach 540 by 2033. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 79
CrossesSlough Creek
Location1.40 MI W of FM 197
RouteState Highway 79
StateTexas
Coordinates33.82033, -95.83124
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 inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2020)
Projected traffic540 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 79 over Slough Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is FM 79 over Slough 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 December 2024.

How much traffic does FM 79 over Slough Creek carry?

About 399 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FM 79 over Slough Creek?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns FM 79 over Slough Creek?

It is owned by the State Highway Agency.