US Bridges

Rmp I-575N to SR20 over SR 20 (ebl) (A-588)

Good

Cherokee County, Georgia · Top of Tri Level · Structure no. 000000005700550

Built
1982
43 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
2 main spans
Daily traffic
5,020
2024 count
Owner
State
State Highway Agency

About this bridge

Rmp I-575N to SR20 over SR 20 (ebl) (A-588) is a steel continuous stringer/multi-beam or girder carrying Rmp I-575N to SR20 over SR 20 (ebl) (A-588) in Cherokee County, Georgia. It was built in 1982, so it is 43 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 5,020 vehicles a day, roughly 1% of them trucks, projected to reach 10,890 by 2031. The structure is 251 ft (76.5 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRmp I-575N to SR20
CrossesSR 20 (ebl) (A-588)
LocationTop of Tri Level
RouteInterstate 575
StateGeorgia
Coordinates34.21957, -84.48934
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length251 ft (76.5 m)
Longest span126 ft (38.4 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,020 (2024)
Projected traffic10,890 by 2031
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
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 Rmp I-575N to SR20 over SR 20 (ebl) (A-588) built?

It was built in 1982, making it 43 years old in 2025.

What condition is Rmp I-575N to SR20 over SR 20 (ebl) (A-588) 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 April 2024.

How much traffic does Rmp I-575N to SR20 over SR 20 (ebl) (A-588) carry?

About 5,020 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rmp I-575N to SR20 over SR 20 (ebl) (A-588)?

The structure is 251 ft (76.5 m) long with a longest span of 126 ft (38.4 m) and a deck 37 ft wide.

Who owns Rmp I-575N to SR20 over SR 20 (ebl) (A-588)?

It is owned by the State Highway Agency.