US Bridges

Richmond Hill RD over I-520 (sr 415)

Good

Richmond County, Georgia · 7.4 MI N of Hephzibah · Structure no. 000000024500890

Built
1981
44 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
284 ft
2 main spans
Daily traffic
10,200
2024 count
Owner
State
State Highway Agency

About this bridge

Richmond Hill RD over I-520 (sr 415) is a prestressed concrete continuous box beam or girders - single or spread carrying Richmond Hill RD over I-520 (sr 415) in Richmond County, Georgia. It was built in 1981, so it is 44 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 10,200 vehicles a day, roughly 1% of them trucks, projected to reach 15,120 by 2032. The structure is 284 ft (86.6 m) long and 66 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesRichmond Hill RD
CrossesI-520 (sr 415)
Location7.4 MI N of Hephzibah
RouteCounty Highway 210
CountyRichmond County
StateGeorgia
Coordinates33.40851, -82.03739
Functional classUrban Minor Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating34.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length284 ft (86.6 m)
Longest span144 ft (43.9 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2024)
Projected traffic15,120 by 2032
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed9.9 mi (16 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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Richmond Hill RD over I-520 (sr 415) built?

It was built in 1981, making it 44 years old in 2025.

What condition is Richmond Hill RD 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 October 2023.

How much traffic does Richmond Hill RD over I-520 (sr 415) carry?

About 10,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Richmond Hill RD over I-520 (sr 415)?

The structure is 284 ft (86.6 m) long with a longest span of 144 ft (43.9 m) and a deck 66 ft wide.

Who owns Richmond Hill RD over I-520 (sr 415)?

It is owned by the State Highway Agency.