US Bridges

US 75 SB over FM 2170 (mcdermott Dr)

Good

Collin County, Texas · At Int of US 75 & FM 2170 · Structure no. 180430004706401

Built
1999
26 years old, rebuilt 2015
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
299 ft
3 main spans
Daily traffic
63,537
2019 count
Owner
State
State Highway Agency

About this bridge

US 75 SB over FM 2170 (mcdermott Dr) is a prestressed concrete stringer/multi-beam or girder carrying US 75 SB over FM 2170 (mcdermott Dr) in Collin County, Texas. It was built in 1999 and reconstructed in 2015, so it is 26 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 63,537 vehicles a day, roughly 7% of them trucks, projected to reach 89,149 by 2038. The structure is 299 ft (91.1 m) long and 79 ft wide.

CarriesUS 75 SB
CrossesFM 2170 (mcdermott Dr)
LocationAt Int of US 75 & FM 2170
RouteU.S. Route 75
StateTexas
Coordinates33.10231, -96.67789
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 inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 loadHS 20
Structure length299 ft (91.1 m)
Longest span105 ft (32 m)
Deck width79 ft (24.1 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,537 (2019)
Projected traffic89,149 by 2038
Trucks7%
Lanes on structure5
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 FM 2170 (mcdermott Dr) built?

It was built in 1999, making it 26 years old in 2025. It was reconstructed in 2015.

What condition is US 75 SB over FM 2170 (mcdermott Dr) 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 October 2023.

How much traffic does US 75 SB over FM 2170 (mcdermott Dr) carry?

About 63,537 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is US 75 SB over FM 2170 (mcdermott Dr)?

The structure is 299 ft (91.1 m) long with a longest span of 105 ft (32 m) and a deck 79 ft wide.

Who owns US 75 SB over FM 2170 (mcdermott Dr)?

It is owned by the State Highway Agency.