Structure 83SR1090027 · Sumner County, TN

Fap 109 over Csx Railroad

Carries Fap 109 over Csx Railroad, 0.9 Mi SW Jct Sr25&sr174.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT261 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

261 ft end to end, longest span 79 ft: about 4 semi-trucks nose to tail. 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.

Built199333 years old
Length261.2 ft79.6 m
Daily traffic28,156counted 2021
Last inspectedAugust 2024every 24 months

Location

StateTennessee
CountySumner
Location0.9 Mi SW Jct Sr25&sr174
CarriesFap 109
CrossesCsx Railroad
Coordinates36.38205, -86.47044

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Single/Spread
Total Length261.2 ft (79.6 m)
Max Span79.1 ft (24.1 m)
Deck Width51.8 ft (15.8 m)
Deck Area1257.7 sq m
Main Spans4
Year Built1993

Traffic

Avg Daily Traffic28,156 (2021)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge3

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number83SR1090027

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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