US Bridges

Noblin Ridge Drive over Suwannee Creek

Good

Gwinnett County, Georgia · 1 MI N of Duluth · Structure no. 000000013552530

Built
1999
26 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
2,047
2024 count
Owner
County
County Highway Agency

About this bridge

Noblin Ridge Drive over Suwannee Creek is a prestressed concrete stringer/multi-beam or girder carrying Noblin Ridge Drive over Suwannee 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 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 50,430 by 2032. The structure is 202 ft (61.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNoblin Ridge Drive
CrossesSuwannee Creek
Location1 MI N of Duluth
RouteCounty Highway 3950
StateGeorgia
Coordinates34.03209, -84.10926
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.6 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic50,430 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$26.9 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Noblin Ridge Drive over Suwannee Creek built?

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

What condition is Noblin Ridge Drive over Suwannee 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 Noblin Ridge Drive over Suwannee Creek carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Noblin Ridge Drive over Suwannee Creek?

The structure is 202 ft (61.6 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Noblin Ridge Drive over Suwannee Creek?

It is owned by the County Highway Agency.