US Bridges

NC157 over North Flat River

Fair

Person County, North Carolina · 0.5 MI S. JCT SR1142 · Structure no. 000000001450030

Built
1941
84 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
2,400
2019 count
Owner
State
State Highway Agency

About this bridge

NC157 over North Flat River is a concrete continuous culvert carrying NC157 over North Flat River in Person County, North Carolina. It was built in 1941, so it is 84 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 2,400 vehicles a day, roughly 7% of them trucks, projected to reach 4,800 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNC157
CrossesNorth Flat River
Location0.5 MI S. JCT SR1142
RouteState Highway 157
Coordinates36.33504, -79.01304
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.9 US tons
Inventory rating29 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2019)
Projected traffic4,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC157 over North Flat River built?

It was built in 1941, making it 84 years old in 2025.

What condition is NC157 over North 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 January 2025.

How much traffic does NC157 over North Flat River carry?

About 2,400 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is NC157 over North Flat River?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns NC157 over North Flat River?

It is owned by the State Highway Agency.