US Bridges

I-20 over I-520 (sr 415)

Good

Richmond County, Georgia · 12.3 MI N of Hephzibah · Structure no. 000000024550790

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
277 ft
2 main spans
Daily traffic
82,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-20 over I-520 (sr 415) is a steel continuous stringer/multi-beam or girder carrying I-20 over I-520 (sr 415) in Richmond County, Georgia. It was built in 2009, so it is 16 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 82,200 vehicles a day, roughly 1% of them trucks, projected to reach 95,925 by 2032. The structure is 277 ft (84.4 m) long and 190 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-20
CrossesI-520 (sr 415)
Location12.3 MI N of Hephzibah
RouteInterstate 20
CountyRichmond County
StateGeorgia
Coordinates33.49321, -82.08414
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length277 ft (84.4 m)
Longest span147 ft (44.8 m)
Deck width190 ft (57.9 m)
Roadway width185 ft (56.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,200 (2024)
Projected traffic95,925 by 2032
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$4.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-20 over I-520 (sr 415) built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-20 over I-520 (sr 415) 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 November 2023.

How much traffic does I-20 over I-520 (sr 415) carry?

About 82,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-20 over I-520 (sr 415)?

The structure is 277 ft (84.4 m) long with a longest span of 147 ft (44.8 m) and a deck 190 ft wide.

Who owns I-20 over I-520 (sr 415)?

It is owned by the State Highway Agency.