US Bridges

FM 791 over Smec Haul Road

Good

McMullen County, Texas · 2.4 Mi. E. of SH 16 · Structure no. 151620173904170

Built
2018
7 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
326 ft
3 main spans
Daily traffic
2,700
2018 count
Owner
State
State Highway Agency

About this bridge

FM 791 over Smec Haul Road is a prestressed concrete stringer/multi-beam or girder carrying FM 791 over Smec Haul Road in McMullen County, Texas. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,700 vehicles a day, roughly 10% of them trucks, projected to reach 1 by 1900. The structure is 326 ft (99.4 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 791
CrossesSmec Haul Road
Location2.4 Mi. E. of SH 16
RouteState Highway 791
StateTexas
Coordinates28.62741, -98.50662
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum 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 spans3
Design loadHL 93
Structure length326 ft (99.4 m)
Longest span110 ft (33.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2018)
Projected traffic1 by 1900
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 791 over Smec Haul Road built?

It was built in 2018, making it 7 years old in 2025.

What condition is FM 791 over Smec Haul Road 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 July 2022.

How much traffic does FM 791 over Smec Haul Road carry?

About 2,700 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is FM 791 over Smec Haul Road?

The structure is 326 ft (99.4 m) long with a longest span of 110 ft (33.5 m) and a deck 42 ft wide.

Who owns FM 791 over Smec Haul Road?

It is owned by the State Highway Agency.