Structure 16I00240007 · Coffee County, TN

I24 Ebl over Mcbride Branch & Nfa A12

Carries I24 Ebl over Mcbride Branch & Nfa A12, 1 Mi E. Of Beech Grove.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT175 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

175 ft end to end, longest span 88 ft: about 2 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 box-beam bridge.

Built196858 years old
Length174.9 ft53.3 m
Daily traffic44,829counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateTennessee
CountyCoffee
Location1 Mi E. Of Beech Grove
CarriesI24 Ebl
CrossesMcbride Branch & Nfa A12
Coordinates35.60800, -86.24055

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length174.9 ft (53.3 m)
Max Span87.6 ft (26.7 m)
Deck Width44.0 ft (13.4 m)
Deck Area714.2 sq m
Main Spans2
Year Built1968

Traffic

Avg Daily Traffic44,829 (2021)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number16I00240007

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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