Structure 74SR0760003 · Robertson County, TN

Fas 76 348142f over Csx Railroad

Carries Fas 76 348142f over Csx Railroad, In Adams Tennessee.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT98 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

98 ft end to end, longest span 41 ft. 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 tee-beam bridge.

Built194086 years old
Length98.1 ft29.9 m
Daily traffic998counted 2021
Last inspectedMay 2024every 24 months

Location

StateTennessee
CountyRobertson
LocationIn Adams Tennessee
CarriesFas 76 348142f
CrossesCsx Railroad
Coordinates36.58151, -87.06737

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length98.1 ft (29.9 m)
Max Span41.0 ft (12.5 m)
Deck Width52.2 ft (15.9 m)
Deck Area475.4 sq m
Main Spans3
Year Built1940

Traffic

Avg Daily Traffic998 (2021)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number74SR0760003

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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