Structure 360A4430001 · Hardin County, TN

Nfa A446 over Indian Creek

Carries Nfa A446 over Indian Creek, Old Highway 64 N SR 15.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT110 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

110 ft end to end. 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 deck arch.

Built193096 years old
Length109.9 ft33.5 m
Daily traffic10counted 2020
Last inspectedApril 2024every 24 months

Location

StateTennessee
CountyHardin
LocationOld Highway 64 N SR 15
CarriesNfa A446
CrossesIndian Creek
Coordinates35.27714, -88.02181

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length109.9 ft (33.5 m)
Max Span109.9 ft (33.5 m)
Deck Width24.0 ft (7.3 m)
Deck Area244.6 sq m
Main Spans1
Year Built1930

Traffic

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

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical8 — Stable, low risk
Structure Number360A4430001

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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