US Bridges

US 78 / SR 10 over Yellow River

Good

Gwinnett County, Georgia · 3 MI W of Snellville · Structure no. 000000013500080

Built
1970
55 years old, rebuilt 1979
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
3 main spans
Daily traffic
49,800
2024 count
Owner
State
State Highway Agency

About this bridge

US 78 / SR 10 over Yellow River is a steel stringer/multi-beam or girder carrying US 78 / SR 10 over Yellow River in Gwinnett County, Georgia. It was built in 1970 and reconstructed in 1979, so it is 55 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 49,800 vehicles a day, roughly 1% of them trucks, projected to reach 66,540 by 2032. The structure is 174 ft (53 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 78 / SR 10
CrossesYellow River
Location3 MI W of Snellville
RouteU.S. Route 78
StateGeorgia
Coordinates33.83188, -84.08887
Functional classUrban Other Principal 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span58 ft (17.7 m)
Deck width78 ft (23.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,800 (2024)
Projected traffic66,540 by 2032
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 78 / SR 10 over Yellow River built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1979.

What condition is US 78 / SR 10 over Yellow River 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 January 2024.

How much traffic does US 78 / SR 10 over Yellow River carry?

About 49,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 78 / SR 10 over Yellow River?

The structure is 174 ft (53 m) long with a longest span of 58 ft (17.7 m) and a deck 78 ft wide.

Who owns US 78 / SR 10 over Yellow River?

It is owned by the State Highway Agency.