US Bridges

Ocean Highway over Hardin Canal

Fair

Chatham County, Georgia · 5 MI SW of Savannah · Structure no. 000000005100440

Built
1984
41 years old, rebuilt 1991
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
35,000
2024 count
Owner
State
State Highway Agency

About this bridge

Ocean Highway over Hardin Canal is a prestressed concrete stringer/multi-beam or girder carrying Ocean Highway over Hardin Canal in Chatham County, Georgia. It was built in 1984 and reconstructed in 1991, so it is 41 years old, younger 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 35,000 vehicles a day, roughly 7% of them trucks, projected to reach 30,300 by 2031. The structure is 120 ft (36.6 m) long and 97 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOcean Highway
CrossesHardin Canal
Location5 MI SW of Savannah
RouteU.S. Route 17
StateGeorgia
Coordinates32.03932, -81.20822
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width97 ft (29.6 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2024)
Projected traffic30,300 by 2031
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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
NavigationNo navigation control on waterway

Frequently asked questions

When was Ocean Highway over Hardin Canal built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1991.

What condition is Ocean Highway over Hardin Canal 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 June 2024.

How much traffic does Ocean Highway over Hardin Canal carry?

About 35,000 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ocean Highway over Hardin Canal?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 97 ft wide.

Who owns Ocean Highway over Hardin Canal?

It is owned by the State Highway Agency.