US Bridges

Legacy Drive over US 75

Fair

Collin County, Texas · 2.55 MI S of FM 2170 · Structure no. 180430004706297

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
315 ft
2 main spans
Daily traffic
17,047
2019 count
Owner
State
State Highway Agency

About this bridge

Legacy Drive over US 75 is a prestressed concrete stringer/multi-beam or girder carrying Legacy Drive over US 75 in Collin County, Texas. It was built in 1992, so it is 33 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 17,047 vehicles a day, roughly 3% of them trucks, projected to reach 52,101 by 2038. The structure is 315 ft (96 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLegacy Drive
CrossesUS 75
Location2.55 MI S of FM 2170
RouteCity Street 0
CountyCollin County
StateTexas
Coordinates33.0661, -96.69029
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans2 (+3 approach)
Design loadHS 20
Structure length315 ft (96 m)
Longest span85 ft (25.9 m)
Deck width99 ft (30.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,047 (2019)
Projected traffic52,101 by 2038
Trucks3%
Lanes on structure7
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$63,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Legacy Drive over US 75 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Legacy Drive over US 75 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 October 2023.

How much traffic does Legacy Drive over US 75 carry?

About 17,047 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Legacy Drive over US 75?

The structure is 315 ft (96 m) long with a longest span of 85 ft (25.9 m) and a deck 99 ft wide.

Who owns Legacy Drive over US 75?

It is owned by the State Highway Agency.