US Bridges

CR 1148 over Skidaway Narrows

Good

Chatham County, Georgia · 7 MI SE of Savannah · Structure no. 000000005150830

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,160 ft
15 main spans
Daily traffic
9,155
2024 count
Owner
State
State Highway Agency

About this bridge

CR 1148 over Skidaway Narrows is a prestressed concrete stringer/multi-beam or girder carrying CR 1148 over Skidaway Narrows in Chatham County, Georgia. It was built in 2013, so it is 12 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 9,155 vehicles a day, projected to reach 30,900 by 2030. The structure is 2,160 ft (658.4 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCR 1148
CrossesSkidaway Narrows
Location7 MI SE of Savannah
RouteState Highway 204
CountyChatham County
StateGeorgia
Coordinates31.94728, -81.06575
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20 + Mod
Structure length2,160 ft (658.4 m)
Longest span249 ft (75.9 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,155 (2024)
Projected traffic30,900 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$287.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 1148 over Skidaway Narrows built?

It was built in 2013, making it 12 years old in 2025.

What condition is CR 1148 over Skidaway Narrows 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 March 2024.

How much traffic does CR 1148 over Skidaway Narrows carry?

About 9,155 vehicles per day (2024 count).

How long is CR 1148 over Skidaway Narrows?

The structure is 2,160 ft (658.4 m) long with a longest span of 249 ft (75.9 m) and a deck 42 ft wide.

Who owns CR 1148 over Skidaway Narrows?

It is owned by the State Highway Agency.