US Bridges

Marion Spence Road over SR 417 (I-575) Nbl

Good

Cherokee County, Georgia · 2.5 MI NW of Ball Ground · Structure no. 000000005700880

Built
1985
40 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
323
2024 count
Owner
State
State Highway Agency

About this bridge

Marion Spence Road over SR 417 (I-575) Nbl is a prestressed concrete stringer/multi-beam or girder carrying Marion Spence Road over SR 417 (I-575) Nbl 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 323 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2031. The structure is 201 ft (61.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMarion Spence Road
CrossesSR 417 (I-575) Nbl
Location2.5 MI NW of Ball Ground
RouteCounty Highway 125
CountyCherokee County
StateGeorgia
Coordinates34.35985, -84.39019
Functional classRural 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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length201 ft (61.3 m)
Longest span109 ft (33.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic323 (2024)
Projected traffic900 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marion Spence Road over SR 417 (I-575) Nbl built?

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

What condition is Marion Spence Road over SR 417 (I-575) Nbl 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 Marion Spence Road over SR 417 (I-575) Nbl carry?

About 323 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Marion Spence Road over SR 417 (I-575) Nbl?

The structure is 201 ft (61.3 m) long with a longest span of 109 ft (33.2 m) and a deck 31 ft wide.

Who owns Marion Spence Road over SR 417 (I-575) Nbl?

It is owned by the State Highway Agency.