US Bridges

NC8 over Southern RR

Poor

Davidson County, North Carolina · 0.2 Mi. N. of Jct. SR2203 · Structure no. 000000000570441

Built
1971
54 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
144 ft
3 main spans
Daily traffic
13,500
2022 count
Owner
State
State Highway Agency

About this bridge

NC8 over Southern RR is a steel stringer/multi-beam or girder carrying NC8 over Southern RR in Davidson County, North Carolina. It was built in 1971, so it is 54 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,500 vehicles a day, roughly 6% of them trucks, projected to reach 27,000 by 2040. The structure is 144 ft (43.8 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC8
CrossesSouthern RR
Location0.2 Mi. N. of Jct. SR2203
RouteState Highway 8
Coordinates35.82358, -80.24028
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length144 ft (43.8 m)
Longest span50 ft (15.2 m)
Deck width61 ft (18.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2022)
Projected traffic27,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC8 over Southern RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is NC8 over Southern RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does NC8 over Southern RR carry?

About 13,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NC8 over Southern RR?

The structure is 144 ft (43.8 m) long with a longest span of 50 ft (15.2 m) and a deck 61 ft wide.

Who owns NC8 over Southern RR?

It is owned by the State Highway Agency.