US Bridges

FM 1171 over Whites Branch

Good

Denton County, Texas · 1.2 MI E of US 377 · Structure no. 180610131101119

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
2 main spans
Daily traffic
17,256
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1171 over Whites Branch is a prestressed concrete stringer/multi-beam or girder carrying FM 1171 over Whites Branch in Denton County, Texas. It was built in 2015, so it is 10 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 17,256 vehicles a day, roughly 18% of them trucks, projected to reach 16,800 by 2031. The structure is 320 ft (97.5 m) long and 111 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 1171
CrossesWhites Branch
Location1.2 MI E of US 377
RouteState Highway 1171
StateTexas
Coordinates33.05096, -97.18281
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: 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 spans2 (+2 approach)
Design loadHL 93
Structure length320 ft (97.5 m)
Longest span100 ft (30.5 m)
Deck width111 ft (33.9 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,256 (2023)
Projected traffic16,800 by 2031
Trucks18%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 1171 over Whites Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is FM 1171 over Whites Branch 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 September 2023.

How much traffic does FM 1171 over Whites Branch carry?

About 17,256 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FM 1171 over Whites Branch?

The structure is 320 ft (97.5 m) long with a longest span of 100 ft (30.5 m) and a deck 111 ft wide.

Who owns FM 1171 over Whites Branch?

It is owned by the State Highway Agency.