US Bridges

Rock Quarry Road over Norfolk Southern RR

Good

Henry County, Georgia · 0.7 MI SE of Stockbridge · Structure no. 000000015151200

Built
2013
12 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
235 ft
3 main spans
Daily traffic
12,500
2024 count
Owner
County
County Highway Agency

About this bridge

Rock Quarry Road over Norfolk Southern RR is a prestressed concrete stringer/multi-beam or girder carrying Rock Quarry Road over Norfolk Southern RR in Henry County, Georgia. It was built in 2013, so it is 12 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 12,500 vehicles a day, roughly 1% of them trucks, projected to reach 12,360 by 2031. The structure is 235 ft (71.6 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRock Quarry Road
CrossesNorfolk Southern RR
Location0.7 MI SE of Stockbridge
RouteCounty Highway 171
StateGeorgia
Coordinates33.53673, -84.22569
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length235 ft (71.6 m)
Longest span105 ft (32 m)
Deck width81 ft (24.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2024)
Projected traffic12,360 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$31.3 million (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rock Quarry Road over Norfolk Southern RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Rock Quarry Road over Norfolk Southern RR 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 2024.

How much traffic does Rock Quarry Road over Norfolk Southern RR carry?

About 12,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rock Quarry Road over Norfolk Southern RR?

The structure is 235 ft (71.6 m) long with a longest span of 105 ft (32 m) and a deck 81 ft wide.

Who owns Rock Quarry Road over Norfolk Southern RR?

It is owned by the County Highway Agency.