US Bridges

E-N Direct Conn over US 75 & SH 121

Good

Collin County, Texas · At Int US 75 & SH 121 · Structure no. 180430036404612

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
3,648 ft
29 main spans
Daily traffic
10,220
2020 count
Owner
Toll Authority
Local Toll Authority

About this bridge

E-N Direct Conn over US 75 & SH 121 is a prestressed concrete stringer/multi-beam or girder carrying E-N Direct Conn over US 75 & SH 121 in Collin County, Texas. It was built in 2011, so it is 14 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 10,220 vehicles a day, roughly 7% of them trucks, projected to reach 14,310 by 2040. The structure is 3,648 ft (1,111.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesE-N Direct Conn
CrossesUS 75 & SH 121
LocationAt Int US 75 & SH 121
CountyCollin County
StateTexas
Coordinates33.15477, -96.65192
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 spans29 (+5 approach)
Design loadHL 93
Structure length3,648 ft (1,111.9 m)
Longest span124 ft (37.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic10,220 (2020)
Projected traffic14,310 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemNo

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 E-N Direct Conn over US 75 & SH 121 built?

It was built in 2011, making it 14 years old in 2025.

What condition is E-N Direct Conn over US 75 & SH 121 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 December 2023.

How much traffic does E-N Direct Conn over US 75 & SH 121 carry?

About 10,220 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is E-N Direct Conn over US 75 & SH 121?

The structure is 3,648 ft (1,111.9 m) long with a longest span of 124 ft (37.8 m) and a deck 38 ft wide.

Who owns E-N Direct Conn over US 75 & SH 121?

It is owned by the Local Toll Authority.