Structure 470A1060001 · Knox County, TN

Nfa A106 over First Creek

Carries Nfa A106 over First Creek, W Off Us441-n Of Woodland.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

53 ft end to end. 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 deck arch.

Built1920rebuilt 1988
Length53.1 ft16.2 m
Daily traffic5,380counted 2020
Last inspectedMay 2024every 24 months

Location

StateTennessee
CountyKnox
LocationW Off Us441-n Of Woodland
CarriesNfa A106
CrossesFirst Creek
Coordinates35.99692, -83.92475

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length53.1 ft (16.2 m)
Max Span49.9 ft (15.2 m)
Deck Width49.9 ft (15.2 m)
Deck Area246.2 sq m
Main Spans1
Year Built1920 (reconstructed 1988)

Traffic

Avg Daily Traffic5,380 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number470A1060001

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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