Structure 15I00400029 · Cocke County, TN

I40 over Pigeon River

Carries I40 over Pigeon River, 1 Mi North Of Sr-73.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT360 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

360 ft end to end, longest span 65 ft: about 5 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.

Built197056 years old
Length359.9 ft109.7 m
Daily traffic29,849counted 2021
Last inspectedJune 2024every 24 months

Location

StateTennessee
CountyCocke
Location1 Mi North Of Sr-73
CarriesI40
CrossesPigeon River
Coordinates35.84238, -83.18192

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length359.9 ft (109.7 m)
Max Span65.0 ft (19.8 m)
Deck Width41.7 ft (12.7 m)
Deck Area1393.2 sq m
Main Spans6
Year Built1970

Traffic

Avg Daily Traffic29,849 (2021)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number15I00400029

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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