US Bridges

Mystic Ridge Place over Big Creek

Good

Forsyth County, Georgia · 2 MI NW of Cumming · Structure no. 000000011750380

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
2 main spans
Daily traffic
1,594
2024 count
Owner
County
County Highway Agency

About this bridge

Mystic Ridge Place over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying Mystic Ridge Place over Big Creek in Forsyth County, Georgia. It was built in 2006, so it is 19 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 1,594 vehicles a day, roughly 1% of them trucks, projected to reach 750 by 2032. The structure is 175 ft (53.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMystic Ridge Place
CrossesBig Creek
Location2 MI NW of Cumming
RouteCounty Highway 99999
StateGeorgia
Coordinates34.20095, -84.16833
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span95 ft (29 m)
Deck width30 ft (9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,594 (2024)
Projected traffic750 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mystic Ridge Place over Big Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Mystic Ridge Place over Big 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 May 2023.

How much traffic does Mystic Ridge Place over Big Creek carry?

About 1,594 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mystic Ridge Place over Big Creek?

The structure is 175 ft (53.3 m) long with a longest span of 95 ft (29 m) and a deck 30 ft wide.

Who owns Mystic Ridge Place over Big Creek?

It is owned by the County Highway Agency.