US Bridges

Shannon Road over Bay Creek

Good

Gwinnett County, Georgia · 5.6 Miles East of Grayson · Structure no. 000000013552050

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
2,550
2024 count
Owner
County
County Highway Agency

About this bridge

Shannon Road over Bay Creek is a concrete culvert carrying Shannon Road over Bay Creek in Gwinnett County, Georgia. It was built in 2007, so it is 18 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 2,550 vehicles a day, roughly 1% of them trucks, projected to reach 1,575 by 2032. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesShannon Road
CrossesBay Creek
Location5.6 Miles East of Grayson
RouteCounty Highway 290
StateGeorgia
Coordinates33.87706, -83.88198
Functional classUrban Local

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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2024)
Projected traffic1,575 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$287,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Shannon Road over Bay Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Shannon Road over Bay Creek 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 Shannon Road over Bay Creek carry?

About 2,550 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Shannon Road over Bay Creek?

The structure is 49 ft (14.9 m) long with a longest span of 9 ft (2.7 m).

Who owns Shannon Road over Bay Creek?

It is owned by the County Highway Agency.