Structure 330D6280001 · Hamilton County, TN

Nfa D628 over Poe Branch

Carries Nfa D628 over Poe Branch, In City Of Soddy-daisy.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT60 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 60 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.

Built199828 years old
Length59.7 ft18.2 m
Daily traffic10counted 2020
Last inspectedJanuary 2024every 24 months

Location

StateTennessee
CountyHamilton
LocationIn City Of Soddy-daisy
CarriesNfa D628
CrossesPoe Branch
Coordinates35.21338, -85.21370

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length59.7 ft (18.2 m)
Max Span13.8 ft (4.2 m)
Deck Width34.8 ft (10.6 m)
Deck Area192.9 sq m
Main Spans4
Year Built1998

Traffic

Avg Daily Traffic10 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number330D6280001

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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