US Bridges

Island Expressway over SR 26

Good

Chatham County, Georgia · 1 MI E of Richardson Crk · Structure no. 000000005150420

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
454 ft
2 main spans
Daily traffic
21,400
2024 count
Owner
State
State Highway Agency

About this bridge

Island Expressway over SR 26 is a prestressed concrete continuous box beam or girders - single or spread carrying Island Expressway over SR 26 in Chatham County, Georgia. It was built in 1997, so it is 28 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 21,400 vehicles a day, roughly 3% of them trucks, projected to reach 31,650 by 2031. The structure is 454 ft (138.4 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIsland Expressway
CrossesSR 26
Location1 MI E of Richardson Crk
RouteCounty Highway 787
StateGeorgia
Coordinates32.04393, -81.004
Functional classUrban Other Principal Arterial

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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length454 ft (138.4 m)
Longest span236 ft (71.9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,400 (2024)
Projected traffic31,650 by 2031
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Island Expressway over SR 26 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Island Expressway over SR 26 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 May 2024.

How much traffic does Island Expressway over SR 26 carry?

About 21,400 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Island Expressway over SR 26?

The structure is 454 ft (138.4 m) long with a longest span of 236 ft (71.9 m) and a deck 47 ft wide.

Who owns Island Expressway over SR 26?

It is owned by the State Highway Agency.