Structure 1805709Z0540009 · Dallas County, TX

Zang BLVD over Cedar Creek & Dart Rr

Carries Zang BLVD over Cedar Creek & Dart Rr, 0.90 Mi N Of W Illinois.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT378 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

378 ft end to end, longest span 120 ft: about 5 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 girder bridge.

Built194185 years old
Length378.0 ft115.2 m
Daily traffic13,101counted 2014
Last inspectedFebruary 2023every 24 months

Location

StateTexas
CountyDallas
Location0.90 Mi N Of W Illinois
CarriesZang BLVD
CrossesCedar Creek & Dart Rr
Coordinates32.73260, -96.82553

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length378.0 ft (115.2 m)
Max Span120.1 ft (36.6 m)
Deck Width66.6 ft (20.3 m)
Deck Area2338.6 sq m
Main Spans2
Year Built1941

Traffic

Avg Daily Traffic13,101 (2014)
Truck Traffic15%
Lanes On Bridge4

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number1805709Z0540009

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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