US Bridges

I-516 (nbl) over SR 25 Conn Bay Street

Fair

Chatham County, Georgia · In Savannah City Limits · Structure no. 000000005100180

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
263 ft
4 main spans
Daily traffic
39,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-516 (nbl) over SR 25 Conn Bay Street is a steel stringer/multi-beam or girder carrying I-516 (nbl) over SR 25 Conn Bay Street in Chatham County, Georgia. It was built in 1972, so it is 53 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 39,500 vehicles a day, roughly 7% of them trucks, projected to reach 50,025 by 2031. The structure is 263 ft (80.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-516 (nbl)
CrossesSR 25 Conn Bay Street
LocationIn Savannah City Limits
RouteInterstate 516
StateGeorgia
Coordinates32.09078, -81.12766
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length263 ft (80.2 m)
Longest span74 ft (22.6 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2024)
Projected traffic50,025 by 2031
Trucks7%
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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-516 (nbl) over SR 25 Conn Bay Street built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-516 (nbl) over SR 25 Conn Bay Street 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 September 2024.

How much traffic does I-516 (nbl) over SR 25 Conn Bay Street carry?

About 39,500 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I-516 (nbl) over SR 25 Conn Bay Street?

The structure is 263 ft (80.2 m) long with a longest span of 74 ft (22.6 m) and a deck 44 ft wide.

Who owns I-516 (nbl) over SR 25 Conn Bay Street?

It is owned by the State Highway Agency.