US Bridges

US501S NC57 over South Flat River

Fair

Person County, North Carolina · 0.2 MI S. SR1202 · Structure no. 000000001450018

Built
1985
40 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
2 main spans
Daily traffic
15,000
2021 count
Owner
State
State Highway Agency

About this bridge

US501S NC57 over South Flat River is a steel stringer/multi-beam or girder carrying US501S NC57 over South Flat River in Person County, North Carolina. It was built in 1985, so it is 40 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 15,000 vehicles a day, roughly 8% of them trucks, projected to reach 30,000 by 2040. The structure is 210 ft (64 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS501S NC57
CrossesSouth Flat River
Location0.2 MI S. SR1202
RouteU.S. Route 501
CountyPerson County
StateNorth Carolina
Coordinates36.25683, -78.94432
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length210 ft (64 m)
Longest span69 ft (21 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2021)
Projected traffic30,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US501S NC57 over South Flat River built?

It was built in 1985, making it 40 years old in 2025.

What condition is US501S NC57 over South Flat River 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 February 2023.

How much traffic does US501S NC57 over South Flat River carry?

About 15,000 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US501S NC57 over South Flat River?

The structure is 210 ft (64 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns US501S NC57 over South Flat River?

It is owned by the State Highway Agency.