US Bridges

SR 284 over Chatt Riv (lake Lanier)

Good

Hall County, Georgia · 4 MI N of Gainesville · Structure no. 000000013951040

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
952 ft
7 main spans
Daily traffic
8,300
2024 count
Owner
State
State Highway Agency

About this bridge

SR 284 over Chatt Riv (lake Lanier) is a concrete continuous stringer/multi-beam or girder carrying SR 284 over Chatt Riv (lake Lanier) in Hall County, Georgia. It was built in 2015, so it is 10 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 8,300 vehicles a day, roughly 3% of them trucks, projected to reach 12,600 by 2033. The structure is 952 ft (290.2 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 284
CrossesChatt Riv (lake Lanier)
Location4 MI N of Gainesville
RouteState Highway 284
CountyHall County
StateGeorgia
Coordinates34.35022, -83.79438
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length952 ft (290.2 m)
Longest span136 ft (41.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2024)
Projected traffic12,600 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$126.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 284 over Chatt Riv (lake Lanier) built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR 284 over Chatt Riv (lake Lanier) 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 June 2023.

How much traffic does SR 284 over Chatt Riv (lake Lanier) carry?

About 8,300 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 284 over Chatt Riv (lake Lanier)?

The structure is 952 ft (290.2 m) long with a longest span of 136 ft (41.5 m) and a deck 44 ft wide.

Who owns SR 284 over Chatt Riv (lake Lanier)?

It is owned by the State Highway Agency.