US Bridges

Srt SB over Legacy Drive

Fair

Collin County, Texas · 1.0 MI SW of Dnt · Structure no. 180430036404178

Built
2010
15 years old, rebuilt 2020
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
313 ft
1 main span
Daily traffic
110,632
2020 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Srt SB over Legacy Drive is a prestressed concrete stringer/multi-beam or girder carrying Srt SB over Legacy Drive in Collin County, Texas. It was built in 2010 and reconstructed in 2020, so it is 15 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 110,632 vehicles a day, roughly 5% of them trucks, projected to reach 154,885 by 2040. The structure is 313 ft (95.4 m) long and 83 ft wide.

Location

Open in Google Maps
CarriesSrt SB
CrossesLegacy Drive
Location1.0 MI SW of Dnt
CountyCollin County
StateTexas
Coordinates33.08679, -96.8389
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length313 ft (95.4 m)
Longest span129 ft (39.3 m)
Deck width83 ft (25.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,632 (2020)
Projected traffic154,885 by 2040
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 Srt SB over Legacy Drive built?

It was built in 2010, making it 15 years old in 2025. It was reconstructed in 2020.

What condition is Srt SB over Legacy Drive in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Srt SB over Legacy Drive carry?

About 110,632 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Srt SB over Legacy Drive?

The structure is 313 ft (95.4 m) long with a longest span of 129 ft (39.3 m) and a deck 83 ft wide.

Who owns Srt SB over Legacy Drive?

It is owned by the Local Toll Authority.