US Bridges

US52 Nbl over Southern Railway

Fair

Forsyth County, North Carolina · 0.3 Mi. S. Jct. SR1634 · Structure no. 000000000670343

Built
1962
63 years old, rebuilt 1996
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
167 ft
3 main spans
Daily traffic
20,250
2020 count
Owner
State
State Highway Agency

About this bridge

US52 Nbl over Southern Railway is a prestressed concrete stringer/multi-beam or girder carrying US52 Nbl over Southern Railway in Forsyth County, North Carolina. It was built in 1962 and reconstructed in 1996, so it is 63 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 20,250 vehicles a day, roughly 6% of them trucks, projected to reach 40,500 by 2040. The structure is 167 ft (50.9 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS52 Nbl
CrossesSouthern Railway
Location0.3 Mi. S. Jct. SR1634
RouteU.S. Route 52
CountyForsyth County
StateNorth Carolina
Coordinates36.24471, -80.34925
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,250 (2020)
Projected traffic40,500 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US52 Nbl over Southern Railway built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1996.

What condition is US52 Nbl over Southern Railway 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 July 2024.

How much traffic does US52 Nbl over Southern Railway carry?

About 20,250 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US52 Nbl over Southern Railway?

The structure is 167 ft (50.9 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns US52 Nbl over Southern Railway?

It is owned by the State Highway Agency.