US Bridges

I-516 (nbl) over CSX Railroad

Good

Chatham County, Georgia · In Savannah City Limits · Structure no. 000000005100120

Built
1968
57 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
3 main spans
Daily traffic
39,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-516 (nbl) over CSX Railroad is a steel stringer/multi-beam or girder carrying I-516 (nbl) over CSX Railroad 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 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 39,500 vehicles a day, roughly 8% of them trucks, projected to reach 48,480 by 2031. The structure is 152 ft (46.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-516 (nbl)
CrossesCSX Railroad
LocationIn Savannah City Limits
RouteInterstate 516
CountyChatham County
StateGeorgia
Coordinates32.08187, -81.13101
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span52 ft (15.8 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2024)
Projected traffic48,480 by 2031
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$891,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-516 (nbl) over CSX Railroad built?

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

What condition is I-516 (nbl) over CSX Railroad 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 September 2024.

How much traffic does I-516 (nbl) over CSX Railroad carry?

About 39,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is I-516 (nbl) over CSX Railroad?

The structure is 152 ft (46.3 m) long with a longest span of 52 ft (15.8 m) and a deck 35 ft wide.

Who owns I-516 (nbl) over CSX Railroad?

It is owned by the State Highway Agency.