US Bridges

NW Direct Connect over SH 121 & US 75

Fair

Collin County, Texas · At Int of US 75 & SH 121 · Structure no. 180430004706455

Built
2011
14 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,971 ft
19 main spans
Daily traffic
953
2018 count
Owner
Toll Authority
Local Toll Authority

About this bridge

NW Direct Connect over SH 121 & US 75 is a prestressed concrete stringer/multi-beam or girder carrying NW Direct Connect over SH 121 & US 75 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 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 953 vehicles a day, projected to reach 1,334 by 2038. The structure is 2,971 ft (905.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNW Direct Connect
CrossesSH 121 & US 75
LocationAt Int of US 75 & SH 121
RouteU.S. Route 121
StateTexas
Coordinates33.15297, -96.64702
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 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 spans19 (+7 approach)
Design loadHL 93
Structure length2,971 ft (905.6 m)
Longest span125 ft (38.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic953 (2018)
Projected traffic1,334 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 NW Direct Connect over SH 121 & US 75 built?

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

What condition is NW Direct Connect over SH 121 & 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 NW Direct Connect over SH 121 & US 75 carry?

About 953 vehicles per day (2018 count).

How long is NW Direct Connect over SH 121 & US 75?

The structure is 2,971 ft (905.6 m) long with a longest span of 125 ft (38.1 m) and a deck 28 ft wide.

Who owns NW Direct Connect over SH 121 & US 75?

It is owned by the Local Toll Authority.