US Bridges

I-16 (ebl) - US 17 over M-4079 Gwinnett Street

Good

Chatham County, Georgia · W C.L. of Savannah · Structure no. 000000005100970

Built
1966
59 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
222 ft
4 main spans
Daily traffic
21,700
2024 count
Owner
State
State Highway Agency

About this bridge

I-16 (ebl) - US 17 over M-4079 Gwinnett Street is a steel stringer/multi-beam or girder carrying I-16 (ebl) - US 17 over M-4079 Gwinnett Street in Chatham County, Georgia. It was built in 1966, so it is 59 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 21,700 vehicles a day, roughly 1% of them trucks, projected to reach 47,580 by 2031. The structure is 222 ft (67.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-16 (ebl) - US 17
CrossesM-4079 Gwinnett Street
LocationW C.L. of Savannah
RouteInterstate 16
StateGeorgia
Coordinates32.06992, -81.10705
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating25.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length222 ft (67.7 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2024)
Projected traffic47,580 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-16 (ebl) - US 17 over M-4079 Gwinnett Street built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-16 (ebl) - US 17 over M-4079 Gwinnett Street 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 August 2024.

How much traffic does I-16 (ebl) - US 17 over M-4079 Gwinnett Street carry?

About 21,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-16 (ebl) - US 17 over M-4079 Gwinnett Street?

The structure is 222 ft (67.7 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns I-16 (ebl) - US 17 over M-4079 Gwinnett Street?

It is owned by the State Highway Agency.