Structure 10600AA0215001 · Delta County, TX

CR 4620 over Post Oak Creek

Carries CR 4620 over Post Oak Creek, 0.4 Mi E Of SH 19.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT36 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

36 ft end to end, longest span 18 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1921105 years old
Length36.4 ft11.1 m
Daily traffic40counted 2010
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyDelta
Location0.4 Mi E Of SH 19
CarriesCR 4620
CrossesPost Oak Creek
Coordinates33.42725, -95.59562

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length36.4 ft (11.1 m)
Max Span18.0 ft (5.5 m)
Deck Width17.1 ft (5.2 m)
Deck Area57.7 sq m
Main Spans2
Year Built1921

Traffic

Avg Daily Traffic40 (2010)
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number010600AA0215001

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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