US Bridges

Browns Mill Road over South River Trib

Fair

Fulton County, Georgia · In Southwest Atlanta · Structure no. 000000012105760

Built
1929
96 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
3,470
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Browns Mill Road over South River Trib is a steel stringer/multi-beam or girder carrying Browns Mill Road over South River Trib in Fulton County, Georgia. It was built in 1929, so it is 96 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.

It carries about 3,470 vehicles a day, roughly 1% of them trucks, projected to reach 6,420 by 2031. The structure is 24 ft (7.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBrowns Mill Road
CrossesSouth River Trib
LocationIn Southwest Atlanta
RouteCity Street 9085
StateGeorgia
Coordinates33.67228, -84.38247
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,470 (2024)
Projected traffic6,420 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Browns Mill Road over South River Trib built?

It was built in 1929, making it 96 years old in 2025.

What condition is Browns Mill Road over South River Trib 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 June 2024.

How much traffic does Browns Mill Road over South River Trib carry?

About 3,470 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Browns Mill Road over South River Trib?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns Browns Mill Road over South River Trib?

It is owned by the City or Municipal Highway Agency.