US Bridges

US 23/SR 42 over NS Railroad

Fair

Henry County, Georgia · 5 MI S of Mcdonough · Structure no. 000000015100090

Built
1938
87 years old, rebuilt 1979
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
340 ft
8 main spans
Daily traffic
16,800
2024 count
Owner
State
State Highway Agency

About this bridge

US 23/SR 42 over NS Railroad is a steel stringer/multi-beam or girder carrying US 23/SR 42 over NS Railroad in Henry County, Georgia. It was built in 1938 and reconstructed in 1979, so it is 87 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,800 vehicles a day, roughly 1% of them trucks, projected to reach 17,910 by 2032. The structure is 340 ft (103.6 m) long and 47 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 23/SR 42
CrossesNS Railroad
Location5 MI S of Mcdonough
RouteU.S. Route 23
StateGeorgia
Coordinates33.38221, -84.12783
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length340 ft (103.6 m)
Longest span52 ft (15.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2024)
Projected traffic17,910 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.9 mi (24 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 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 23/SR 42 over NS Railroad built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1979.

What condition is US 23/SR 42 over NS Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does US 23/SR 42 over NS Railroad carry?

About 16,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 23/SR 42 over NS Railroad?

The structure is 340 ft (103.6 m) long with a longest span of 52 ft (15.8 m) and a deck 47 ft wide.

Who owns US 23/SR 42 over NS Railroad?

It is owned by the State Highway Agency.