US Bridges

I-516 (sbl) over M4032 Louisville Rd- RR

Fair

Chatham County, Georgia · In Savannah City Limits · Structure no. 000000005100150

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
384 ft
7 main spans
Daily traffic
45,700
2024 count
Owner
State
State Highway Agency

About this bridge

I-516 (sbl) over M4032 Louisville Rd- RR is a steel stringer/multi-beam or girder carrying I-516 (sbl) over M4032 Louisville Rd- RR in Chatham County, Georgia. It was built in 1968, so it is 57 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 45,700 vehicles a day, roughly 7% of them trucks, projected to reach 50,025 by 2031. The structure is 384 ft (117 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-516 (sbl)
CrossesM4032 Louisville Rd- RR
LocationIn Savannah City Limits
RouteInterstate 516
CountyChatham County
StateGeorgia
Coordinates32.08422, -81.13009
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length384 ft (117 m)
Longest span71 ft (21.6 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,700 (2024)
Projected traffic50,025 by 2031
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-516 (sbl) over M4032 Louisville Rd- RR built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-516 (sbl) over M4032 Louisville Rd- RR 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 (sbl) over M4032 Louisville Rd- RR carry?

About 45,700 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I-516 (sbl) over M4032 Louisville Rd- RR?

The structure is 384 ft (117 m) long with a longest span of 71 ft (21.6 m) and a deck 35 ft wide.

Who owns I-516 (sbl) over M4032 Louisville Rd- RR?

It is owned by the State Highway Agency.