US Bridges

US 19 / Sr. 400 over Big Creek Tributary

Good

Fulton County, Georgia · In East Alpharetta · Structure no. 000000012102350

Built
1969
56 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
135,000
2024 count
Owner
State
State Highway Agency

About this bridge

US 19 / Sr. 400 over Big Creek Tributary is a concrete culvert carrying US 19 / Sr. 400 over Big Creek Tributary in Fulton County, Georgia. It was built in 1969, so it is 56 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 135,000 vehicles a day, roughly 1% of them trucks, projected to reach 179,220 by 2031. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 19 / Sr. 400
CrossesBig Creek Tributary
LocationIn East Alpharetta
RouteU.S. Route 19
StateGeorgia
Coordinates34.07141, -84.27041
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135,000 (2024)
Projected traffic179,220 by 2031
Trucks1%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$392,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 19 / Sr. 400 over Big Creek Tributary built?

It was built in 1969, making it 56 years old in 2025.

What condition is US 19 / Sr. 400 over Big Creek Tributary 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 US 19 / Sr. 400 over Big Creek Tributary carry?

About 135,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 19 / Sr. 400 over Big Creek Tributary?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns US 19 / Sr. 400 over Big Creek Tributary?

It is owned by the State Highway Agency.