US Bridges

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

Fair

Chatham County, Georgia · In Savannah City Limits · Structure no. 000000005100960

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
4 main spans
Daily traffic
60,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-16 (ebl) - US 17 over M-4079 Stiles Ave. is a steel continuous stringer/multi-beam or girder carrying I-16 (ebl) - 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 60,800 vehicles a day, roughly 1% of them trucks, projected to reach 69,135 by 2031. The structure is 257 ft (78.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-16 (ebl) - US 17
CrossesM-4079 Stiles Ave.
LocationIn Savannah City Limits
RouteInterstate 16
StateGeorgia
Coordinates32.06715, -81.11729
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 evaluation7: Better than present minimum criteria
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 rating68.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length257 ft (78.3 m)
Longest span90 ft (27.4 m)
Deck width52 ft (15.8 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,800 (2024)
Projected traffic69,135 by 2031
Trucks1%
Lanes on structure3
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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

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

About 60,800 vehicles per day (2024 count), of which roughly 1% are trucks.

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

The structure is 257 ft (78.3 m) long with a longest span of 90 ft (27.4 m) and a deck 52 ft wide.

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

It is owned by the State Highway Agency.