Structure 660A0320001 · Obion County, TN

Nfa A032 over Rogers Creek

Carries Nfa A032 over Rogers Creek, 2.7 Mi NE Jct Sr21&sr183.

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
CAR · 15 FT47 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

47 ft end to end, longest span 28 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 channel-beam bridge.

Built197056 years old
Length46.9 ft14.3 m
Daily traffic70counted 2020
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountyObion
Location2.7 Mi NE Jct Sr21&sr183
CarriesNfa A032
CrossesRogers Creek
Coordinates36.34980, -89.25410

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length46.9 ft (14.3 m)
Max Span27.9 ft (8.5 m)
Deck Width21.7 ft (6.6 m)
Deck Area94.4 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic70 (2020)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number660A0320001

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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