Structure 260A5910001 · Franklin County, TN

Nfa A591 over Crow Creek

Carries Nfa A591 over Crow Creek, East Of Sr56.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT130 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 5/9

130 ft end to end, longest span 50 ft. Lengths and the semi-truck 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.

Built197254 years old
Length129.9 ft39.6 m
Daily traffic140counted 2020
Last inspectedAugust 2023every 24 months

Location

StateTennessee
CountyFranklin
LocationEast Of Sr56
CarriesNfa A591
CrossesCrow Creek
Coordinates35.01772, -85.91270

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length129.9 ft (39.6 m)
Max Span50.2 ft (15.3 m)
Deck Width24.3 ft (7.4 m)
Deck Area293.0 sq m
Main Spans3
Year Built1972

Traffic

Avg Daily Traffic140 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number260A5910001

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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