Structure 7SR0900001 · Campbell County, TN

State Route 90 over Csxt Rr & Shonda Ln.

Carries State Route 90 over Csxt Rr & Shonda Ln., 1.3 M S Of White Oak CR.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT182 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

182 ft end to end, longest span 41 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 tee-beam bridge.

Built1947rebuilt 2001
Length182.1 ft55.5 m
Daily traffic829counted 2021
Last inspectedApril 2023every 24 months

Location

StateTennessee
CountyCampbell
Location1.3 M S Of White Oak CR
CarriesState Route 90
CrossesCsxt Rr & Shonda Ln.
Coordinates36.55220, -84.04739

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length182.1 ft (55.5 m)
Max Span41.0 ft (12.5 m)
Deck Width32.2 ft (9.8 m)
Deck Area543.9 sq m
Main Spans5
Year Built1947 (reconstructed 2001)

Traffic

Avg Daily Traffic829 (2021)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number07SR0900001

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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