Structure 180430036404448 · Collin County, TX

Srt SB over Rowlett Ck & Exchge PKWY

Carries Srt SB over Rowlett Ck & Exchge PKWY, 4.6 Mi W Of US 75.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,035 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

1,035 ft end to end, longest span 120 ft: about 2.9 football fields. 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.

Built200917 years old
Length1035.1 ft315.5 m
Daily traffic32,759counted 2018
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyCollin
Location4.6 Mi W Of US 75
CarriesSrt SB
CrossesRowlett Ck & Exchge PKWY
Coordinates33.12960, -96.72054

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1035.1 ft (315.5 m)
Max Span120.1 ft (36.6 m)
Deck Width70.9 ft (21.6 m)
Deck Area6814.8 sq m
Main Spans8
Year Built2009

Traffic

Avg Daily Traffic32,759 (2018)
Truck Traffic7%
Lanes On Bridge4
Lanes Under Bridge9

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number180430036404448

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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