US Bridges

Coniston Road over Sugar Creek

FairPosted for load

Murray County, Georgia · 7 MI S of Chatsworth · Structure no. 000000021350150

Built
1940
85 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
126
2024 count
Owner
County
County Highway Agency

About this bridge

Coniston Road over Sugar Creek is a steel stringer/multi-beam or girder carrying Coniston Road over Sugar Creek in Murray County, Georgia. It was built in 1940, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 126 vehicles a day, roughly 1% of them trucks, projected to reach 75 by 2032. The structure is 31 ft (9.4 m) long and 12 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesConiston Road
CrossesSugar Creek
Location7 MI S of Chatsworth
RouteCounty Highway 339
StateGeorgia
Coordinates34.63686, -84.74228
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating8.9 US tons
Inventory rating5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2024)
Projected traffic75 by 2032
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$132,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Coniston Road over Sugar Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Coniston Road over Sugar 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 February 2024.

How much traffic does Coniston Road over Sugar Creek carry?

About 126 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Coniston Road over Sugar Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 12 ft wide.

Who owns Coniston Road over Sugar Creek?

It is owned by the County Highway Agency.