US Bridges

US19 74 over Silvermine Creek

Fair

Swain County, North Carolina · 50 FT.N.JCT.SR1103 · Structure no. 000000001730005

Built
1937
88 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
3 main spans
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

US19 74 over Silvermine Creek is a concrete continuous culvert carrying US19 74 over Silvermine Creek in Swain County, North Carolina. It was built in 1937, so it is 88 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 6 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 4,500 vehicles a day, roughly 7% of them trucks, projected to reach 9,000 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS19 74
CrossesSilvermine Creek
Location50 FT.N.JCT.SR1103
RouteU.S. Route 19
Coordinates35.33138, -83.5913
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic9,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US19 74 over Silvermine Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is US19 74 over Silvermine Creek 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 August 2023.

How much traffic does US19 74 over Silvermine Creek carry?

About 4,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US19 74 over Silvermine Creek?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns US19 74 over Silvermine Creek?

It is owned by the State Highway Agency.