Structure 47I02750031 · Knox County, TN

I275 Rp 5-i over I275-sb Ext Rp-i / 2 Rts

Carries I275 Rp 5-i over I275-sb Ext Rp-i / 2 Rts, City Of Knoxville.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,104 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,104 ft end to end, longest span 150 ft: about 3.1 football fields. 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 multi-beam bridge.

Built199432 years old
Length1103.7 ft336.4 m
Daily traffic67,587counted 2021
Last inspectedSeptember 2024every 24 months

Location

StateTennessee
CountyKnox
LocationCity Of Knoxville
CarriesI275 Rp 5-i
CrossesI275-sb Ext Rp-i / 2 Rts
Coordinates35.96461, -83.92750

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1103.7 ft (336.4 m)
Max Span149.9 ft (45.7 m)
Deck Width56.1 ft (17.1 m)
Deck Area5752.4 sq m
Main Spans9
Year Built1994

Traffic

Avg Daily Traffic67,587 (2021)
Truck Traffic6%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number47I02750031

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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