US Bridges

CR 148 over Casey Canal Trib.

Good

Chatham County, Georgia · City of Savannah · Structure no. 000000005150920

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
28 ft
4 main spans
Daily traffic
47,500
2024 count
Owner
County
County Highway Agency

About this bridge

CR 148 over Casey Canal Trib. is a concrete culvert carrying CR 148 over Casey Canal Trib. in Chatham County, Georgia. It was built in 2004, so it is 21 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 47,500 vehicles a day, roughly 4% of them trucks, projected to reach 33,330 by 2031. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 148
CrossesCasey Canal Trib.
LocationCity of Savannah
RouteCity Street 1148
StateGeorgia
Coordinates32.01114, -81.08213
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,500 (2024)
Projected traffic33,330 by 2031
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 148 over Casey Canal Trib. built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR 148 over Casey Canal Trib. 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 September 2024.

How much traffic does CR 148 over Casey Canal Trib. carry?

About 47,500 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CR 148 over Casey Canal Trib.?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m).

Who owns CR 148 over Casey Canal Trib.?

It is owned by the County Highway Agency.