US Bridges

Little Mill Road over Richland Creek.

Good

Gwinnett County, Georgia · West Side of Buford · Structure no. 000000013551880

Built
1999
26 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
4,730
2024 count
Owner
County
County Highway Agency

About this bridge

Little Mill Road over Richland Creek. is a concrete culvert carrying Little Mill Road over Richland Creek. in Gwinnett County, Georgia. It was built in 1999, so it is 26 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 4,730 vehicles a day, roughly 1% of them trucks, projected to reach 4,950 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLittle Mill Road
CrossesRichland Creek.
LocationWest Side of Buford
RouteCounty Highway 5507
StateGeorgia
Coordinates34.12442, -84.02147
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,730 (2024)
Projected traffic4,950 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$235,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Little Mill Road over Richland Creek. built?

It was built in 1999, making it 26 years old in 2025.

What condition is Little Mill Road over Richland 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 December 2023.

How much traffic does Little Mill Road over Richland Creek. carry?

About 4,730 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Little Mill Road over Richland Creek.?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Little Mill Road over Richland Creek.?

It is owned by the County Highway Agency.