US Bridges

Kimball Bridge Rd. over SR 400 (us 19)

Good

Fulton County, Georgia · In East Alpharetta · Structure no. 000000012154350

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
261 ft
2 main spans
Daily traffic
7,906
2024 count
Owner
State
State Highway Agency

About this bridge

Kimball Bridge Rd. over SR 400 (us 19) is a concrete stringer/multi-beam or girder carrying Kimball Bridge Rd. over SR 400 (us 19) in Fulton County, Georgia. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,906 vehicles a day, roughly 39% of them trucks, projected to reach 12,350 by 2046. The structure is 261 ft (79.6 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKimball Bridge Rd.
CrossesSR 400 (us 19)
LocationIn East Alpharetta
RouteCounty Highway 85
StateGeorgia
Coordinates34.06045, -84.27627
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length261 ft (79.6 m)
Longest span134 ft (40.9 m)
Deck width76 ft (23.3 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,906 (2024)
Projected traffic12,350 by 2046
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$34.9 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kimball Bridge Rd. over SR 400 (us 19) built?

It was built in 2023, making it 2 years old in 2025.

What condition is Kimball Bridge Rd. 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 October 2023.

How much traffic does Kimball Bridge Rd. over SR 400 (us 19) carry?

About 7,906 vehicles per day (2024 count), of which roughly 39% are trucks.

How long is Kimball Bridge Rd. over SR 400 (us 19)?

The structure is 261 ft (79.6 m) long with a longest span of 134 ft (40.9 m) and a deck 76 ft wide.

Who owns Kimball Bridge Rd. over SR 400 (us 19)?

It is owned by the State Highway Agency.