US Bridges

Johnny Mercer Blvd over Turner Creek

Fair

Chatham County, Georgia · 4 MI SW of Savannah · Structure no. 000000005100810

Built
1963
62 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,308 ft
3 main spans
Daily traffic
21,600
2024 count
Owner
County
County Highway Agency

About this bridge

Johnny Mercer Blvd over Turner Creek is a steel continuous stringer/multi-beam or girder carrying Johnny Mercer Blvd over Turner Creek in Chatham County, Georgia. It was built in 1963 and reconstructed in 1991, so it is 62 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21,600 vehicles a day, roughly 1% of them trucks, projected to reach 35,730 by 2031. The structure is 1,308 ft (398.7 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJohnny Mercer Blvd
CrossesTurner Creek
Location4 MI SW of Savannah
RouteCounty Highway 1143
StateGeorgia
Coordinates32.01956, -80.9919
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 rating45 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+18 approach)
Design loadHS 20 + Mod
Structure length1,308 ft (398.7 m)
Longest span118 ft (36 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,600 (2024)
Projected traffic35,730 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$11.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnny Mercer Blvd over Turner Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1991.

What condition is Johnny Mercer Blvd over Turner Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Johnny Mercer Blvd over Turner Creek carry?

About 21,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Johnny Mercer Blvd over Turner Creek?

The structure is 1,308 ft (398.7 m) long with a longest span of 118 ft (36 m) and a deck 75 ft wide.

Who owns Johnny Mercer Blvd over Turner Creek?

It is owned by the County Highway Agency.