Structure 5S25500007 · Blount County, TN

Fas 334 347601v over Csx Railroad

Carries Fas 334 347601v over Csx Railroad, 2.4 M E Of Alcoa.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT150 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

150 ft end to end, longest span 50 ft: about 2 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 tee-beam bridge.

Built195967 years old
Length149.9 ft45.7 m
Daily traffic7,543counted 2021
Last inspectedOctober 2023every 24 months

Location

StateTennessee
CountyBlount
Location2.4 M E Of Alcoa
CarriesFas 334 347601v
CrossesCsx Railroad
Coordinates35.79338, -84.01337

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length149.9 ft (45.7 m)
Max Span49.9 ft (15.2 m)
Deck Width36.4 ft (11.1 m)
Deck Area507.3 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic7,543 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number05S25500007

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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