US Bridges

Mcginnis Ferry RD over Big Creek

GoodPosted for load

Fulton County, Georgia · 4.1 MI NE of Alpharetta · Structure no. 000000012102860

Built
1952
73 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
9,950
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcginnis Ferry RD over Big Creek is a prestressed concrete channel beam carrying Mcginnis Ferry RD over Big Creek in Fulton County, Georgia. It was built in 1952, so it is 73 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. Its operating status is: posted for load restriction.

It carries about 9,950 vehicles a day, roughly 1% of them trucks, projected to reach 20,541 by 2031. The structure is 150 ft (45.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcginnis Ferry RD
CrossesBig Creek
Location4.1 MI NE of Alpharetta
RouteCity Street 2564
StateGeorgia
Coordinates34.09712, -84.22758
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,950 (2024)
Projected traffic20,541 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$879,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcginnis Ferry RD over Big Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Mcginnis Ferry RD 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 September 2023.

How much traffic does Mcginnis Ferry RD over Big Creek carry?

About 9,950 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mcginnis Ferry RD over Big Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Mcginnis Ferry RD over Big Creek?

It is owned by the City or Municipal Highway Agency.