US Bridges

FM 720 over Ltl Elm/Lk Lewisville

Good

Denton County, Texas · 4.15 MI W of FM 423 · Structure no. 180610156701020

Built
2014
11 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,355 ft
21 main spans
Daily traffic
32,313
2023 count
Owner
State
State Highway Agency

About this bridge

FM 720 over Ltl Elm/Lk Lewisville is a prestressed concrete stringer/multi-beam or girder carrying FM 720 over Ltl Elm/Lk Lewisville in Denton 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 32,313 vehicles a day, roughly 5% of them trucks, projected to reach 33,300 by 2034. The structure is 2,355 ft (717.8 m) long and 100 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFM 720
CrossesLtl Elm/Lk Lewisville
Location4.15 MI W of FM 423
RouteState Highway 720
CountyDenton County
StateTexas
Coordinates33.15859, -96.95377
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans21
Design loadHL 93
Structure length2,355 ft (717.8 m)
Longest span115 ft (35.1 m)
Deck width100 ft (30.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,313 (2023)
Projected traffic33,300 by 2034
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 720 over Ltl Elm/Lk Lewisville built?

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

What condition is FM 720 over Ltl Elm/Lk Lewisville 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 November 2023.

How much traffic does FM 720 over Ltl Elm/Lk Lewisville carry?

About 32,313 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FM 720 over Ltl Elm/Lk Lewisville?

The structure is 2,355 ft (717.8 m) long with a longest span of 115 ft (35.1 m) and a deck 100 ft wide.

Who owns FM 720 over Ltl Elm/Lk Lewisville?

It is owned by the State Highway Agency.