US Bridges

Buford Dam Road over SR 400 (us 19)

Good

Forsyth County, Georgia · SE Cumming City Limits · Structure no. 000000011700350

Built
1974
51 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
4 main spans
Daily traffic
9,560
2024 count
Owner
State
State Highway Agency

About this bridge

Buford Dam Road over SR 400 (us 19) is a steel continuous stringer/multi-beam or girder carrying Buford Dam Road over SR 400 (us 19) in Forsyth County, Georgia. It was built in 1974, so it is 51 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.

It carries about 9,560 vehicles a day, roughly 1% of them trucks, projected to reach 12,180 by 2032. The structure is 347 ft (105.8 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBuford Dam Road
CrossesSR 400 (us 19)
LocationSE Cumming City Limits
RouteCounty Highway 2347
CountyForsyth County
StateGeorgia
Coordinates34.19366, -84.13177
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length347 ft (105.8 m)
Longest span101 ft (30.8 m)
Deck width46 ft (14.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,560 (2024)
Projected traffic12,180 by 2032
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$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Buford Dam Road over SR 400 (us 19) built?

It was built in 1974, making it 51 years old in 2025.

What condition is Buford Dam Road over SR 400 (us 19) 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 Buford Dam Road over SR 400 (us 19) carry?

About 9,560 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Buford Dam Road over SR 400 (us 19)?

The structure is 347 ft (105.8 m) long with a longest span of 101 ft (30.8 m) and a deck 46 ft wide.

Who owns Buford Dam Road over SR 400 (us 19)?

It is owned by the State Highway Agency.