Structure 56020970001 · Macon County, TN

Nfa 2097 (sa 5621) over Branch

Carries Nfa 2097 (sa 5621) over Branch, 1.5 M S Red Boiling Sprgs.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 26 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built200422 years old
Length25.9 ft7.9 m
Daily traffic326counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateTennessee
CountyMacon
Location1.5 M S Red Boiling Sprgs
CarriesNfa 2097 (sa 5621)
CrossesBranch
Coordinates36.51437, -85.84088

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length25.9 ft (7.9 m)
Max Span12.1 ft (3.7 m)
Deck Width29.5 ft (9 m)
Deck Area71.1 sq m
Main Spans2
Year Built2004

Traffic

Avg Daily Traffic326 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number56020970001

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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