US Bridges

I-575 (sbl) over CR774 Mineral Springs RD

Good

Cherokee County, Georgia · 1 MI NW of Ball Ground · Structure no. 000000005700870

Built
1985
40 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
84,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-575 (sbl) over CR774 Mineral Springs RD is a prestressed concrete stringer/multi-beam or girder carrying I-575 (sbl) over CR774 Mineral Springs RD in Cherokee County, Georgia. It was built in 1985, so it is 40 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 84,100 vehicles a day, roughly 1% of them trucks, projected to reach 36,000 by 2031. The structure is 153 ft (46.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-575 (sbl)
CrossesCR774 Mineral Springs RD
Location1 MI NW of Ball Ground
RouteInterstate 575
StateGeorgia
Coordinates34.3462, -84.39166
Functional classRural Principal Arterial - Interstate

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span63 ft (19.2 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,100 (2024)
Projected traffic36,000 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$897,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-575 (sbl) over CR774 Mineral Springs RD built?

It was built in 1985, making it 40 years old in 2025.

What condition is I-575 (sbl) over CR774 Mineral Springs RD 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 March 2024.

How much traffic does I-575 (sbl) over CR774 Mineral Springs RD carry?

About 84,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-575 (sbl) over CR774 Mineral Springs RD?

The structure is 153 ft (46.6 m) long with a longest span of 63 ft (19.2 m) and a deck 45 ft wide.

Who owns I-575 (sbl) over CR774 Mineral Springs RD?

It is owned by the State Highway Agency.