Structure 89SR1080003 · Warren County, TN

Fas 108 over Big Hickory Creek

Carries Fas 108 over Big Hickory Creek, 2 Mi S Of Zion RD.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT308 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

308 ft end to end, longest span 43 ft: about 4 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.

Built1939rebuilt 2008
Length308.1 ft93.9 m
Daily traffic1,883counted 2021
Last inspectedFebruary 2023every 24 months

Location

StateTennessee
CountyWarren
Location2 Mi S Of Zion RD
CarriesFas 108
CrossesBig Hickory Creek
Coordinates35.57645, -85.85033

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length308.1 ft (93.9 m)
Max Span43.0 ft (13.1 m)
Deck Width31.5 ft (9.6 m)
Deck Area901.4 sq m
Main Spans11
Year Built1939 (reconstructed 2008)

Traffic

Avg Daily Traffic1,883 (2021)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number89SR1080003

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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