Structure 7I00750007 · Campbell County, TN

I75 730919x over Better Chanee RD & S Rwy

Carries I75 730919x over Better Chanee RD & S Rwy, 2.76 M.from Anderson Co.l.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT287 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

287 ft end to end, longest span 88 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 tee-beam bridge.

Built1961rebuilt 1990
Length287.1 ft87.5 m
Daily traffic41,884counted 2021
Last inspectedAugust 2023every 24 months

Location

StateTennessee
CountyCampbell
Location2.76 M.from Anderson Co.l
CarriesI75 730919x
CrossesBetter Chanee RD & S Rwy
Coordinates36.27200, -84.19912

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length287.1 ft (87.5 m)
Max Span87.9 ft (26.8 m)
Deck Width44.0 ft (13.4 m)
Deck Area1172.5 sq m
Main Spans4
Year Built1961 (reconstructed 1990)

Traffic

Avg Daily Traffic41,884 (2021)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number07I00750007

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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