US Bridges

SR1743 over E Prong Roaring River

FairPosted for load

Wilkes County, North Carolina · 90 FT.S.JCT.SR1742 · Structure no. 000000001930218

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
100
2018 count
Owner
State
State Highway Agency

About this bridge

SR1743 over E Prong Roaring River is a steel stringer/multi-beam or girder carrying SR1743 over E Prong Roaring River in Wilkes County, North Carolina. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 200 by 2040. The structure is 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1743
CrossesE Prong Roaring River
Location90 FT.S.JCT.SR1742
RouteState Highway 1743
Coordinates36.34292, -81.05991
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.9 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span39 ft (11.8 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic200 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1743 over E Prong Roaring River built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR1743 over E Prong Roaring 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 SR1743 over E Prong Roaring River carry?

About 100 vehicles per day (2018 count).

How long is SR1743 over E Prong Roaring River?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.8 m) and a deck 18 ft wide.

Who owns SR1743 over E Prong Roaring River?

It is owned by the State Highway Agency.