US Bridges

US 75 Sbfr over Throckmorton Creek

Good

Collin County, Texas · 3.1 MI S of FM 455 · Structure no. 180430004714669

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
372 ft
3 main spans
Daily traffic
2,150
2020 count
Owner
State
State Highway Agency

About this bridge

US 75 Sbfr over Throckmorton Creek is a prestressed concrete stringer/multi-beam or girder carrying US 75 Sbfr over Throckmorton Creek in Collin County, Texas. It was built in 2017, so it is 8 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 2,150 vehicles a day, roughly 6% of them trucks, projected to reach 3,010 by 2040. The structure is 372 ft (113.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 75 Sbfr
CrossesThrockmorton Creek
Location3.1 MI S of FM 455
RouteU.S. Route 75
StateTexas
Coordinates33.30014, -96.59201
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 spans3
Design loadHL 93
Structure length372 ft (113.4 m)
Longest span124 ft (37.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2020)
Projected traffic3,010 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 75 Sbfr over Throckmorton Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is US 75 Sbfr over Throckmorton Creek 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 Sbfr over Throckmorton Creek carry?

About 2,150 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 75 Sbfr over Throckmorton Creek?

The structure is 372 ft (113.4 m) long with a longest span of 124 ft (37.8 m) and a deck 38 ft wide.

Who owns US 75 Sbfr over Throckmorton Creek?

It is owned by the State Highway Agency.