US Bridges

Grimes Bridge RD a over Big Creek

Good

Fulton County, Georgia · In South Roswell · Structure no. 000000012153540

Built
2010
15 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
176 ft
2 main spans
Daily traffic
2,047
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grimes Bridge RD a over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying Grimes Bridge RD a over Big Creek in Fulton County, Georgia. It was built in 2010, so it is 15 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,047 vehicles a day, roughly 2% of them trucks, projected to reach 10,287 by 2031. The structure is 176 ft (53.6 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGrimes Bridge RD a
CrossesBig Creek
LocationIn South Roswell
RouteCity Street 3101
StateGeorgia
Coordinates34.01888, -84.34515
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span88 ft (26.8 m)
Deck width58 ft (17.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic10,287 by 2031
Trucks2%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grimes Bridge RD a over Big Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Grimes Bridge RD a over Big Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Grimes Bridge RD a over Big Creek carry?

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

How long is Grimes Bridge RD a over Big Creek?

The structure is 176 ft (53.6 m) long with a longest span of 88 ft (26.8 m) and a deck 58 ft wide.

Who owns Grimes Bridge RD a over Big Creek?

It is owned by the City or Municipal Highway Agency.