US Bridges

SR1559 over North Fork Reddies River

Fair

Wilkes County, North Carolina · .4 MI.S.JCT.SR1570 · Structure no. 000000001930301

Built
1966
59 years old, rebuilt 1981
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
173 ft
5 main spans
Daily traffic
100
2022 count
Owner
State
State Highway Agency

About this bridge

SR1559 over North Fork Reddies River is a steel stringer/multi-beam or girder carrying SR1559 over North Fork Reddies River in Wilkes County, North Carolina. It was built in 1966 and reconstructed in 1981, so it is 59 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 173 ft (52.7 m) long and 26 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSR1559
CrossesNorth Fork Reddies River
Location.4 MI.S.JCT.SR1570
RouteState Highway 1559
Coordinates36.25119, -81.27619
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating36.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans5
Design loadUnknown
Structure length173 ft (52.7 m)
Longest span40 ft (12.1 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 SR1559 over North Fork Reddies River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1981.

What condition is SR1559 over North Fork Reddies 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 September 2024.

How much traffic does SR1559 over North Fork Reddies River carry?

About 100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1559 over North Fork Reddies River?

The structure is 173 ft (52.7 m) long with a longest span of 40 ft (12.1 m) and a deck 26 ft wide.

Who owns SR1559 over North Fork Reddies River?

It is owned by the State Highway Agency.