US Bridges

Milledgeville RD over I-520 (sr 415)

Good

Richmond County, Georgia · 9.1 MI NW of Hephzibah · Structure no. 000000024500900

Built
1973
52 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
276 ft
4 main spans
Daily traffic
5,780
2024 count
Owner
State
State Highway Agency

About this bridge

Milledgeville RD over I-520 (sr 415) is a steel continuous stringer/multi-beam or girder carrying Milledgeville RD over I-520 (sr 415) in Richmond County, Georgia. It was built in 1973, so it is 52 years old, older 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 5,780 vehicles a day, roughly 1% of them trucks, projected to reach 7,125 by 2032. The structure is 276 ft (84.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMilledgeville RD
CrossesI-520 (sr 415)
Location9.1 MI NW of Hephzibah
RouteCounty Highway 145
CountyRichmond County
StateGeorgia
Coordinates33.44535, -82.07281
Functional classUrban Collector

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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length276 ft (84.1 m)
Longest span78 ft (23.8 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,780 (2024)
Projected traffic7,125 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Milledgeville RD over I-520 (sr 415) built?

It was built in 1973, making it 52 years old in 2025.

What condition is Milledgeville 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 Milledgeville RD over I-520 (sr 415) carry?

About 5,780 vehicles per day (2024 count), of which roughly 1% are trucks.

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

The structure is 276 ft (84.1 m) long with a longest span of 78 ft (23.8 m) and a deck 40 ft wide.

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

It is owned by the State Highway Agency.