US Bridges

SR1389 over South.Prong Lewis Fork C

Poor

Wilkes County, North Carolina · 0.1MI.S.JCT.US421 · Structure no. 000000001930735

Built
1930
95 years old
Condition
Poor
inspected September 2024
Type
Arch - Deck
Concrete
Length
312 ft
1 main span
Daily traffic
40
1995 count
Owner
State
State Highway Agency

About this bridge

SR1389 over South.Prong Lewis Fork C is a concrete arch - deck carrying SR1389 over South.Prong Lewis Fork C in Wilkes County, North Carolina. It was built in 1930, so it is 95 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 40 vehicles a day, projected to reach 80 by 2040. The structure is 312 ft (95 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1389
CrossesSouth.Prong Lewis Fork C
Location0.1MI.S.JCT.US421
RouteState Highway 1389
Coordinates36.20699, -81.44762
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length312 ft (95 m)
Longest span156 ft (47.5 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1995)
Projected traffic80 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1389 over South.Prong Lewis Fork C built?

It was built in 1930, making it 95 years old in 2025.

What condition is SR1389 over South.Prong Lewis Fork C 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 September 2024.

How much traffic does SR1389 over South.Prong Lewis Fork C carry?

About 40 vehicles per day (1995 count).

How long is SR1389 over South.Prong Lewis Fork C?

The structure is 312 ft (95 m) long with a longest span of 156 ft (47.5 m) and a deck 24 ft wide.

Who owns SR1389 over South.Prong Lewis Fork C?

It is owned by the State Highway Agency.