Structure 53SR0020005 · Loudon County, TN

Fap 2 over Tennessee River

Carries Fap 2 over Tennessee River, In Loudon.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,597 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9Substructure 5/9 · sets the rating

2,597 ft end to end, longest span 351 ft: about 7.2 football fields. 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.

Built200422 years old
Length2596.8 ft791.5 m
Daily traffic13,777counted 2021
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountyLoudon
LocationIn Loudon
CarriesFap 2
CrossesTennessee River
Coordinates35.74342, -84.33163

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length2596.8 ft (791.5 m)
Max Span351.0 ft (107 m)
Deck Width44.9 ft (13.7 m)
Deck Area10843.5 sq m
Main Spans5
Year Built2004

Traffic

Avg Daily Traffic13,777 (2021)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number53SR0020005

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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