US Bridges

SR 307 over Pipe Makers Canal

Good

Chatham County, Georgia · 3 MI NW of Savannah · Structure no. 000000005100800

Built
1971
54 years old, rebuilt 1979
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
18,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR 307 over Pipe Makers Canal is a concrete culvert carrying SR 307 over Pipe Makers Canal in Chatham County, Georgia. It was built in 1971 and reconstructed in 1979, so it is 54 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 18,500 vehicles a day, roughly 1% of them trucks, projected to reach 25,740 by 2031. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 307
CrossesPipe Makers Canal
Location3 MI NW of Savannah
RouteState Highway 307
StateGeorgia
Coordinates32.1061, -81.19576
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length33 ft (10.1 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 traffic18,500 (2024)
Projected traffic25,740 by 2031
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 307 over Pipe Makers Canal built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1979.

What condition is SR 307 over Pipe Makers Canal 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 SR 307 over Pipe Makers Canal carry?

About 18,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 307 over Pipe Makers Canal?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns SR 307 over Pipe Makers Canal?

It is owned by the State Highway Agency.