US Bridges

I-85 NB & SB Nbcd over Fork Creek

Good

Gwinnett County, Georgia · 2 MI East of Duluth · Structure no. 000000013552250

Built
1990
35 years old, rebuilt 2008
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
170,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 NB & SB Nbcd over Fork Creek is a concrete culvert carrying I-85 NB & SB Nbcd over Fork Creek in Gwinnett County, Georgia. It was built in 1990 and reconstructed in 2008, so it is 35 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 170,000 vehicles a day, roughly 12% of them trucks, projected to reach 220,350 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-85 NB & SB Nbcd
CrossesFork Creek
Location2 MI East of Duluth
RouteInterstate 85
StateGeorgia
Coordinates33.96945, -84.09397
Functional classUrban Principal Arterial - Interstate

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.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170,000 (2024)
Projected traffic220,350 by 2032
Trucks12%
Lanes on structure19
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$760,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 NB & SB Nbcd over Fork Creek built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2008.

What condition is I-85 NB & SB Nbcd over Fork 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 I-85 NB & SB Nbcd over Fork Creek carry?

About 170,000 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is I-85 NB & SB Nbcd over Fork Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns I-85 NB & SB Nbcd over Fork Creek?

It is owned by the State Highway Agency.