US Bridges

Old Grassdale RD over I-75

Fair

Bartow County, Georgia · 6 MI N of Cartersville · Structure no. 000000001500570

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
4 main spans
Daily traffic
5,410
2024 count
Owner
State
State Highway Agency

About this bridge

Old Grassdale RD over I-75 is a steel continuous stringer/multi-beam or girder carrying Old Grassdale RD over I-75 in Bartow County, Georgia. It was built in 1970, so it is 55 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 5,410 vehicles a day, roughly 10% of them trucks, projected to reach 3,990 by 2031. The structure is 274 ft (83.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Grassdale RD
CrossesI-75
Location6 MI N of Cartersville
RouteCounty Highway 155
StateGeorgia
Coordinates34.25614, -84.79297
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length274 ft (83.5 m)
Longest span95 ft (29 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,410 (2024)
Projected traffic3,990 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Grassdale RD over I-75 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Old Grassdale RD over I-75 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 Old Grassdale RD over I-75 carry?

About 5,410 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old Grassdale RD over I-75?

The structure is 274 ft (83.5 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns Old Grassdale RD over I-75?

It is owned by the State Highway Agency.