Structure 27016040003 · Gibson County, TN

Nfa 1604 over Dry Creek

Carries Nfa 1604 over Dry Creek, 2.6 Mi NE Jct Sr43&sr54.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT68 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 68 ft across with 3 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.

Built198739 years old
Length67.9 ft20.7 m
Daily traffic102counted 2021
Last inspectedJuly 2023every 24 months

Location

StateTennessee
CountyGibson
Location2.6 Mi NE Jct Sr43&sr54
CarriesNfa 1604
CrossesDry Creek
Coordinates36.09900, -88.77497

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length67.9 ft (20.7 m)
Max Span21.0 ft (6.4 m)
Deck Width28.9 ft (8.8 m)
Deck Area182.2 sq m
Main Spans3
Year Built1987

Traffic

Avg Daily Traffic102 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number27016040003

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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