US Bridges

Birdsong Road over Swift Creek

FairPosted for load

Upson County, Georgia · 6 MI S of Thomaston · Structure no. 000000029350160

Built
1970
55 years old, rebuilt 2002
Condition
Fair
inspected January 2024
Type
Channel Beam
Prestressed Concrete
Length
140 ft
7 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Birdsong Road over Swift Creek is a prestressed concrete channel beam carrying Birdsong Road over Swift Creek in Upson County, Georgia. It was built in 1970 and reconstructed in 2002, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 140 ft (42.7 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBirdsong Road
CrossesSwift Creek
Location6 MI S of Thomaston
RouteCounty Highway 171
StateGeorgia
Coordinates32.80871, -84.26697
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$821,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Birdsong Road over Swift Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2002.

What condition is Birdsong Road over Swift 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 January 2024.

How much traffic does Birdsong Road over Swift Creek carry?

About 30 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Birdsong Road over Swift Creek?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Birdsong Road over Swift Creek?

It is owned by the County Highway Agency.