Structure 180430036404428 · Collin County, TX

Srt NB over White Rock Creek

Carries Srt NB over White Rock Creek, 1.4 Mi NE Of SH 289.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT575 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

575 ft end to end, longest span 130 ft: about 1.6 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.

Built2009rebuilt 2020
Length575.1 ft175.3 m
Daily traffic32,759counted 2020
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyCollin
Location1.4 Mi NE Of SH 289
CarriesSrt NB
CrossesWhite Rock Creek
Coordinates33.10542, -96.78466

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length575.1 ft (175.3 m)
Max Span129.9 ft (39.6 m)
Deck Width82.0 ft (25 m)
Deck Area4382.5 sq m
Main Spans4
Year Built2009 (reconstructed 2020)

Traffic

Avg Daily Traffic32,759 (2020)
Truck Traffic6%
Lanes On Bridge5

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 Number180430036404428

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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