Structure 6700850 · Cobb County, GA

I-75 (nbl) over CR 160 Steve Frey Road

Carries I-75 (nbl) over CR 160 Steve Frey Road, 2.4 Mi NE Of Kennesaw.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT321 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

321 ft end to end, longest span 123 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 multi-beam bridge.

Built197650 years old
Length320.9 ft97.8 m
Daily traffic135,000counted 2024
Last inspectedMarch 2023every 24 months

Location

StateGeorgia
CountyCobb
Location2.4 Mi NE Of Kennesaw
CarriesI-75 (nbl)
CrossesCR 160 Steve Frey Road
Coordinates34.04399, -84.58106

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length320.9 ft (97.8 m)
Max Span123.0 ft (37.5 m)
Deck Width63.3 ft (19.3 m)
Deck Area1887.5 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic135,000 (2024)
Truck Traffic1%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000006700850

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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