US Bridges

Thornton Street over South River Trib

Fair

Fulton County, Georgia · In Atlanta · Structure no. 000000012152300

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
2,047
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thornton Street over South River Trib is a concrete culvert carrying Thornton Street over South River Trib in Fulton County, Georgia. It was built in 1955, so it is 70 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 3,303 by 2031. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThornton Street
CrossesSouth River Trib
LocationIn Atlanta
RouteCity Street 1296
StateGeorgia
Coordinates33.71174, -84.39507
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic3,303 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost$135,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thornton Street over South River Trib built?

It was built in 1955, making it 70 years old in 2025.

What condition is Thornton Street 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 September 2024.

How much traffic does Thornton Street over South River Trib carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Thornton Street over South River Trib?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns Thornton Street over South River Trib?

It is owned by the City or Municipal Highway Agency.