Structure 18S43820001 · Cumberland County, TN

Nfa 1203 over Piney Creek

Carries Nfa 1203 over Piney Creek, 1.2 Mi W Of Morgan Co Ln..

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9Substructure 4/9 · sets the rating

46 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 box-beam bridge.

Built197848 years old
Length45.9 ft14 m
Daily traffic84counted 2021
Last inspectedMay 2024every 24 months

Location

StateTennessee
CountyCumberland
Location1.2 Mi W Of Morgan Co Ln.
CarriesNfa 1203
CrossesPiney Creek
Coordinates35.89758, -84.78437

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length45.9 ft (14 m)
Max Span45.9 ft (14 m)
Deck Width15.1 ft (4.6 m)
Deck Area64.4 sq m
Main Spans1
Year Built1978

Traffic

Avg Daily Traffic84 (2021)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number18S43820001

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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