Structure 470A1310001 · Knox County, TN

Fau 5676 347648r over Second CR & Sou Rwy

Carries Fau 5676 347648r over Second CR & Sou Rwy, Just NE Of I40-i275 Jct.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT432 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

432 ft end to end, longest span 48 ft: about 6 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.

Built1935rebuilt 1992
Length432.1 ft131.7 m
Daily traffic6,912counted 2021
Last inspectedJune 2024every 24 months

Location

StateTennessee
CountyKnox
LocationJust NE Of I40-i275 Jct
CarriesFau 5676 347648r
CrossesSecond CR & Sou Rwy
Coordinates35.97177, -83.92658

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length432.1 ft (131.7 m)
Max Span47.9 ft (14.6 m)
Deck Width52.8 ft (16.1 m)
Deck Area2120.4 sq m
Main Spans13
Year Built1935 (reconstructed 1992)

Traffic

Avg Daily Traffic6,912 (2021)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number470A1310001

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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