US Bridges

SR 120 Ebl over Big Creek

Fair

Fulton County, Georgia · In Alpharetta · Structure no. 000000012152720

Built
1995
30 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
5 main spans
Daily traffic
48,400
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120 Ebl over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 120 Ebl over Big Creek in Fulton County, Georgia. It was built in 1995, so it is 30 years old, younger 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 48,400 vehicles a day, roughly 1% of them trucks, projected to reach 80,160 by 2031. The structure is 190 ft (57.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 120 Ebl
CrossesBig Creek
LocationIn Alpharetta
RouteState Highway 120
StateGeorgia
Coordinates34.06693, -84.25968
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length190 ft (57.9 m)
Longest span38 ft (11.6 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,400 (2024)
Projected traffic80,160 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 120 Ebl over Big Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 120 Ebl over Big 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 September 2023.

How much traffic does SR 120 Ebl over Big Creek carry?

About 48,400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 120 Ebl over Big Creek?

The structure is 190 ft (57.9 m) long with a longest span of 38 ft (11.6 m) and a deck 41 ft wide.

Who owns SR 120 Ebl over Big Creek?

It is owned by the State Highway Agency.