US Bridges

US 75 SB over US 380

Good

Collin County, Texas · 2.6 MI S of FM 543 · Structure no. 180430004714607

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
3 main spans
Daily traffic
37,963
2019 count
Owner
State
State Highway Agency

About this bridge

US 75 SB over US 380 is a prestressed concrete stringer/multi-beam or girder carrying US 75 SB over US 380 in Collin County, Texas. It was built in 2010, 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 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 37,963 vehicles a day, roughly 7% of them trucks, projected to reach 50,610 by 2033. The structure is 320 ft (97.5 m) long and 83 ft wide.

CarriesUS 75 SB
CrossesUS 380
Location2.6 MI S of FM 543
RouteU.S. Route 75
StateTexas
Coordinates33.21676, -96.63643
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length320 ft (97.5 m)
Longest span120 ft (36.6 m)
Deck width83 ft (25.2 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,963 (2019)
Projected traffic50,610 by 2033
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 75 SB over US 380 built?

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

What condition is US 75 SB over US 380 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 US 75 SB over US 380 carry?

About 37,963 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is US 75 SB over US 380?

The structure is 320 ft (97.5 m) long with a longest span of 120 ft (36.6 m) and a deck 83 ft wide.

Who owns US 75 SB over US 380?

It is owned by the State Highway Agency.