Structure 66SR0210009 · Obion County, TN

Fas 21 over Pursley Creek

Carries Fas 21 over Pursley Creek, .6 Mi.north Of Union City.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

70 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 box-beam bridge.

Built200818 years old
Length69.9 ft21.3 m
Daily traffic1,863counted 2021
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountyObion
Location.6 Mi.north Of Union City
CarriesFas 21
CrossesPursley Creek
Coordinates36.45336, -89.04222

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length69.9 ft (21.3 m)
Max Span69.9 ft (21.3 m)
Deck Width41.3 ft (12.6 m)
Deck Area268.4 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic1,863 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number66SR0210009

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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