Structure 32I00810012 · Hamblen County, TN

I81 over Nfa 2461 - Hale RD

Carries I81 over Nfa 2461 - Hale RD, 1.90m.from Jefferson Co.l.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT116 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 6/9

116 ft end to end, longest span 42 ft. Lengths and the car 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 multi-beam bridge.

Built197155 years old
Length116.5 ft35.5 m
Daily traffic32,367counted 2021
Last inspectedMarch 2024every 24 months

Location

StateTennessee
CountyHamblen
Location1.90m.from Jefferson Co.l
CarriesI81
CrossesNfa 2461 - Hale RD
Coordinates36.14545, -83.25530

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length116.5 ft (35.5 m)
Max Span42.0 ft (12.8 m)
Deck Width42.3 ft (12.9 m)
Deck Area457.9 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic32,367 (2021)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number32I00810012

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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