US Bridges

Shiloh Road over I-75

Good

Cobb County, Georgia · 2.4 MI NE of Kennesaw · Structure no. 000000006701300

Built
1975
50 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
404 ft
4 main spans
Daily traffic
20,400
2024 count
Owner
State
State Highway Agency

About this bridge

Shiloh Road over I-75 is a steel continuous stringer/multi-beam or girder carrying Shiloh Road over I-75 in Cobb County, Georgia. It was built in 1975, so it is 50 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,400 vehicles a day, roughly 1% of them trucks, projected to reach 22,935 by 2032. The structure is 404 ft (123.1 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesShiloh Road
CrossesI-75
Location2.4 MI NE of Kennesaw
RouteCity Street 9360
StateGeorgia
Coordinates34.04906, -84.5864
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length404 ft (123.1 m)
Longest span132 ft (40.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2024)
Projected traffic22,935 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shiloh Road over I-75 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Shiloh Road over I-75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Shiloh Road over I-75 carry?

About 20,400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Shiloh Road over I-75?

The structure is 404 ft (123.1 m) long with a longest span of 132 ft (40.2 m) and a deck 47 ft wide.

Who owns Shiloh Road over I-75?

It is owned by the State Highway Agency.