Structure 47SR1150023 · Knox County, TN

Fap 115 over Sr115 / Sr168

Carries Fap 115 over Sr115 / Sr168, 0.9 M N Of Blount Co Line.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT206 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

206 ft end to end, longest span 103 ft: about 3 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 multi-beam bridge.

Built20233 years old
Length205.7 ft62.7 m
Daily traffic47,830counted 2021
Last inspectedDecember 2023every 24 months

Location

StateTennessee
CountyKnox
Location0.9 M N Of Blount Co Line
CarriesFap 115
CrossesSr115 / Sr168
Coordinates35.88498, -83.95358

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length205.7 ft (62.7 m)
Max Span102.7 ft (31.3 m)
Deck Width140.4 ft (42.8 m)
Deck Area2683.6 sq m
Main Spans3
Year Built2023

Traffic

Avg Daily Traffic47,830 (2021)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number47SR1150023

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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