US Bridges

SR 520 Business over Flint River

Fair

Dougherty County, Georgia · Oglethorpe Boulevard · Structure no. 000000009500030

Built
1953
72 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
720 ft
10 main spans
Daily traffic
23,900
2024 count
Owner
State
State Highway Agency

About this bridge

SR 520 Business over Flint River is a steel continuous stringer/multi-beam or girder carrying SR 520 Business over Flint River in Dougherty County, Georgia. It was built in 1953, so it is 72 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 23,900 vehicles a day, roughly 4% of them trucks, projected to reach 45,150 by 2032. The structure is 720 ft (219.5 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 520 Business
CrossesFlint River
LocationOglethorpe Boulevard
RouteU.S. Route 19
CountyDougherty County
StateGeorgia
Coordinates31.57543, -84.14737
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating24.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length720 ft (219.5 m)
Longest span100 ft (30.5 m)
Deck width69 ft (21.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,900 (2024)
Projected traffic45,150 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$6.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 520 Business over Flint River built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 520 Business over Flint River 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 October 2023.

How much traffic does SR 520 Business over Flint River carry?

About 23,900 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 520 Business over Flint River?

The structure is 720 ft (219.5 m) long with a longest span of 100 ft (30.5 m) and a deck 69 ft wide.

Who owns SR 520 Business over Flint River?

It is owned by the State Highway Agency.