US Bridges

Ocean Highway US over Kidd Island Swamp

Good

McIntosh County, Georgia · 7 MI N of Darien · Structure no. 000000019100090

Built
1936
89 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
3,170
2024 count
Owner
State
State Highway Agency

About this bridge

Ocean Highway US over Kidd Island Swamp is a concrete culvert carrying Ocean Highway US over Kidd Island Swamp in McIntosh County, Georgia. It was built in 1936, so it is 89 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 3,170 vehicles a day, roughly 8% of them trucks, projected to reach 4,980 by 2031. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOcean Highway US
CrossesKidd Island Swamp
Location7 MI N of Darien
RouteU.S. Route 17
StateGeorgia
Coordinates31.48814, -81.44496
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,170 (2024)
Projected traffic4,980 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$264,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ocean Highway US over Kidd Island Swamp built?

It was built in 1936, making it 89 years old in 2025.

What condition is Ocean Highway US over Kidd Island Swamp 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 April 2024.

How much traffic does Ocean Highway US over Kidd Island Swamp carry?

About 3,170 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ocean Highway US over Kidd Island Swamp?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns Ocean Highway US over Kidd Island Swamp?

It is owned by the State Highway Agency.