Structure 180430E02340018 · Collin County, TX

Plano RD over Spring Creek

Carries Plano RD over Spring Creek, 0.2 Mi N Of E Lookout DR.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT121 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

121 ft end to end. 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.

Built198046 years old
Length121.1 ft36.9 m
Daily traffic24,892counted 2022
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyCollin
Location0.2 Mi N Of E Lookout DR
CarriesPlano RD
CrossesSpring Creek
Coordinates32.98802, -96.69962

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length121.1 ft (36.9 m)
Max Span121.1 ft (36.9 m)
Deck Width97.8 ft (29.8 m)
Deck Area1099.6 sq m
Main Spans1
Year Built1980

Traffic

Avg Daily Traffic24,892 (2022)
Lanes On Bridge6

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number180430E02340018

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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