US Bridges

FM 1791 over SH 30

Good

Walker County, Texas · 2.55 MI SW of IH 45 · Structure no. 172360021202215

Built
2014
11 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
3,586
2019 count
Owner
State
State Highway Agency

About this bridge

FM 1791 over SH 30 is a prestressed concrete stringer/multi-beam or girder carrying FM 1791 over SH 30 in Walker County, Texas. It was built in 2014, so it is 11 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 3,586 vehicles a day, roughly 5% of them trucks, projected to reach 4,303 by 2039. The structure is 93 ft (28.3 m) long and 300 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 1791
CrossesSH 30
Location2.55 MI SW of IH 45
RouteState Highway 1791
StateTexas
Coordinates30.70445, -95.60871
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.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior 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 spans1
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span93 ft (28.3 m)
Deck width300 ft (91.4 m)
Roadway width145 ft (44.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,586 (2019)
Projected traffic4,303 by 2039
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 1791 over SH 30 built?

It was built in 2014, making it 11 years old in 2025.

What condition is FM 1791 over SH 30 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 2023.

How much traffic does FM 1791 over SH 30 carry?

About 3,586 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is FM 1791 over SH 30?

The structure is 93 ft (28.3 m) long with a longest span of 93 ft (28.3 m) and a deck 300 ft wide.

Who owns FM 1791 over SH 30?

It is owned by the State Highway Agency.