Structure 180570GG0220006 · Dallas County, TX

Merritt RD over Long Branch

Carries Merritt RD over Long Branch, 0.1 Mi S Of Sachse RD.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 37 ft across with 4 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built195076 years old
Length37.1 ft11.3 m
Daily traffic8,322counted 2019
Last inspectedMarch 2023every 24 months

Location

StateTexas
CountyDallas
Location0.1 Mi S Of Sachse RD
CarriesMerritt RD
CrossesLong Branch
Coordinates32.97235, -96.57038

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length37.1 ft (11.3 m)
Max Span7.9 ft (2.4 m)
Deck Width27.2 ft (8.3 m)
Deck Area93.8 sq m
Main Spans4
Year Built1950

Traffic

Avg Daily Traffic8,322 (2019)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical4 — Foundations need monitoring
Structure Number180570GG0220006

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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