US Bridges

I-520 (wbl) over Phinizy Ditch

Good

Richmond County, Georgia · 9.8 MI NE of Hephzibah · Structure no. 000000024550500

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
80,600
2024 count
Owner
State
State Highway Agency

About this bridge

I-520 (wbl) over Phinizy Ditch is a prestressed concrete stringer/multi-beam or girder carrying I-520 (wbl) over Phinizy Ditch in Richmond County, Georgia. It was built in 1998, so it is 27 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 80,600 vehicles a day, roughly 12% of them trucks, projected to reach 33,285 by 2032. The structure is 152 ft (46.3 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-520 (wbl)
CrossesPhinizy Ditch
Location9.8 MI NE of Hephzibah
RouteInterstate 520
StateGeorgia
Coordinates33.41404, -81.97201
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span72 ft (21.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,600 (2024)
Projected traffic33,285 by 2032
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$891,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-520 (wbl) over Phinizy Ditch built?

It was built in 1998, making it 27 years old in 2025.

What condition is I-520 (wbl) over Phinizy Ditch 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 October 2023.

How much traffic does I-520 (wbl) over Phinizy Ditch carry?

About 80,600 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is I-520 (wbl) over Phinizy Ditch?

The structure is 152 ft (46.3 m) long with a longest span of 72 ft (21.9 m) and a deck 47 ft wide.

Who owns I-520 (wbl) over Phinizy Ditch?

It is owned by the State Highway Agency.