Structure 80A0020001 · Cannon County, TN

Nfa A002 over Marshall Creek

Carries Nfa A002 over Marshall Creek, 2.2 Mi North Of Sr96.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
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 FT25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

25 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 multi-beam bridge.

Built196066 years old
Length25.3 ft7.7 m
Daily traffic20counted 2020
Last inspectedJanuary 2025every 24 months

Location

StateTennessee
CountyCannon
Location2.2 Mi North Of Sr96
CarriesNfa A002
CrossesMarshall Creek
Coordinates35.95305, -86.12066

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length25.3 ft (7.7 m)
Max Span25.3 ft (7.7 m)
Deck Width12.1 ft (3.7 m)
Deck Area28.5 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic20 (2020)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number080A0020001

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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