Structure 180430C01040006 · Collin County, TX

Dallas N Tollway over W Spring Creek PKWY

Carries Dallas N Tollway over W Spring Creek PKWY, 1.55 Mi N Of Parker BLVD.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT448 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

448 ft end to end, longest span 114 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1991rebuilt 2016
Length448.2 ft136.6 m
Daily traffic203,320counted 2023
Last inspectedFebruary 2023every 48 months

Location

StateTexas
CountyCollin
Location1.55 Mi N Of Parker BLVD
CarriesDallas N Tollway
CrossesW Spring Creek PKWY
Coordinates33.06555, -96.82469

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length448.2 ft (136.6 m)
Max Span113.8 ft (34.7 m)
Deck Width131.9 ft (40.2 m)
Deck Area5491.3 sq m
Main Spans3
Year Built1991 (reconstructed 2016)

Traffic

Avg Daily Traffic203,320 (2023)
Truck Traffic4%
Lanes On Bridge8
Lanes Under Bridge10

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 48 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180430C01040006

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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