Structure 180430MM0205001 · Collin County, TX

Hidden Creek DR over Bois Darc Creek

Carries Hidden Creek DR over Bois Darc Creek, 0.1 Mi W Of FM 1777.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT151 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

151 ft end to end, longest span 51 ft: about 2 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 deck arch.

Built200422 years old
Length150.9 ft46 m
Daily traffic150counted 2011
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyCollin
Location0.1 Mi W Of FM 1777
CarriesHidden Creek DR
CrossesBois Darc Creek
Coordinates32.98849, -96.32764

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length150.9 ft (46 m)
Max Span50.9 ft (15.5 m)
Deck Width44.9 ft (13.7 m)
Deck Area630.2 sq m
Main Spans3
Year Built2004

Traffic

Avg Daily Traffic150 (2011)
Truck Traffic1%
Lanes On Bridge2

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 Number180430MM0205001

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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