US Bridges

Oatland Island RD over Richardson Creek

Good

Chatham County, Georgia · 4.5 MI E of Thunderbolt · Structure no. 000000005150130

Built
1987
38 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

Oatland Island RD over Richardson Creek is a prestressed concrete stringer/multi-beam or girder carrying Oatland Island RD over Richardson Creek in Chatham County, Georgia. It was built in 1987, so it is 38 years old, younger 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 495 by 2031. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOatland Island RD
CrossesRichardson Creek
Location4.5 MI E of Thunderbolt
RouteCounty Highway 177
StateGeorgia
Coordinates32.05252, -81.01174
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic495 by 2031
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Oatland Island RD over Richardson Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Oatland Island RD over Richardson Creek 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 June 2024.

How much traffic does Oatland Island RD over Richardson Creek carry?

About 250 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Oatland Island RD over Richardson Creek?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Oatland Island RD over Richardson Creek?

It is owned by the County Highway Agency.