US Bridges

SR 204 over Tidal Canal

Good

Chatham County, Georgia · 8 MI SW of Savannah · Structure no. 000000005100730

Built
1971
54 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
59,600
2024 count
Owner
State
State Highway Agency

About this bridge

SR 204 over Tidal Canal is a concrete tee beam carrying SR 204 over Tidal Canal in Chatham County, Georgia. It was built in 1971, 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 59,600 vehicles a day, roughly 1% of them trucks, projected to reach 73,470 by 2031. The structure is 90 ft (27.4 m) long and 91 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 204
CrossesTidal Canal
Location8 MI SW of Savannah
RouteState Highway 204
StateGeorgia
Coordinates31.99509, -81.23651
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width91 ft (27.7 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,600 (2024)
Projected traffic73,470 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$815,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 204 over Tidal Canal built?

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

What condition is SR 204 over Tidal 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 204 over Tidal Canal carry?

About 59,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 204 over Tidal Canal?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 91 ft wide.

Who owns SR 204 over Tidal Canal?

It is owned by the State Highway Agency.