US Bridges

I-16 (wbl) - US 17 over M-4079 Stiles Ave.

Fair

Chatham County, Georgia · In Savannah City Limits · Structure no. 000000005100950

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
4 main spans
Daily traffic
89,900
2024 count
Owner
State
State Highway Agency

About this bridge

I-16 (wbl) - US 17 over M-4079 Stiles Ave. is a steel continuous stringer/multi-beam or girder carrying I-16 (wbl) - US 17 over M-4079 Stiles Ave. 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 89,900 vehicles a day, roughly 1% of them trucks, projected to reach 69,135 by 2031. The structure is 270 ft (82.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-16 (wbl) - US 17
CrossesM-4079 Stiles Ave.
LocationIn Savannah City Limits
RouteInterstate 16
CountyChatham County
StateGeorgia
Coordinates32.06759, -81.11704
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length270 ft (82.3 m)
Longest span93 ft (28.3 m)
Deck width58 ft (17.8 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,900 (2024)
Projected traffic69,135 by 2031
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-16 (wbl) - US 17 over M-4079 Stiles Ave. built?

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

What condition is I-16 (wbl) - US 17 over M-4079 Stiles Ave. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does I-16 (wbl) - US 17 over M-4079 Stiles Ave. carry?

About 89,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-16 (wbl) - US 17 over M-4079 Stiles Ave.?

The structure is 270 ft (82.3 m) long with a longest span of 93 ft (28.3 m) and a deck 58 ft wide.

Who owns I-16 (wbl) - US 17 over M-4079 Stiles Ave.?

It is owned by the State Highway Agency.