Structure 330E1590001 · Hamilton County, TN

Nfa E159 over Branch

Carries Nfa E159 over Branch, .03 Mi East Of SR 58.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT36 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 36 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built198838 years old
Length36.1 ft11 m
Daily traffic260counted 2020
Last inspectedFebruary 2024every 24 months

Location

StateTennessee
CountyHamilton
Location.03 Mi East Of SR 58
CarriesNfa E159
CrossesBranch
Coordinates35.24130, -85.00977

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length36.1 ft (11 m)
Max Span9.8 ft (3 m)
Deck Width27.9 ft (8.5 m)
Deck Area93.5 sq m
Main Spans2
Year Built1988

Traffic

Avg Daily Traffic260 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number330E1590001

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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