US Bridges

Windy Hill/Macland over Olley Creek

Good

Cobb County, Georgia · 3 Miles West of Symrna · Structure no. 000000006752960

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
508 ft
4 main spans
Daily traffic
18,106
2024 count
Owner
County
County Highway Agency

About this bridge

Windy Hill/Macland over Olley Creek is a prestressed concrete stringer/multi-beam or girder carrying Windy Hill/Macland over Olley Creek in Cobb County, Georgia. It was built in 2010, so it is 15 years old, younger 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 18,106 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 508 ft (154.8 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWindy Hill/Macland
CrossesOlley Creek
Location3 Miles West of Symrna
RouteCounty Highway 9001
StateGeorgia
Coordinates33.89577, -84.58681
Functional classUrban Local

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length508 ft (154.8 m)
Longest span136 ft (41.5 m)
Deck width75 ft (23 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,106 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$4.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Windy Hill/Macland over Olley Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Windy Hill/Macland over Olley Creek 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 September 2023.

How much traffic does Windy Hill/Macland over Olley Creek carry?

About 18,106 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Windy Hill/Macland over Olley Creek?

The structure is 508 ft (154.8 m) long with a longest span of 136 ft (41.5 m) and a deck 75 ft wide.

Who owns Windy Hill/Macland over Olley Creek?

It is owned by the County Highway Agency.