US Bridges

SR1580 over Middle Fork Reddies Riv.

Good

Wilkes County, North Carolina · .1 MI.W.JCT.SR1562 · Structure no. 000000001930718

Built
2013
12 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
230
2016 count
Owner
State
State Highway Agency

About this bridge

SR1580 over Middle Fork Reddies Riv. is a prestressed concrete slab carrying SR1580 over Middle Fork Reddies Riv. in Wilkes County, North Carolina. It was built in 2013, so it is 12 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, roughly 6% of them trucks, projected to reach 460 by 2040. The structure is 65 ft (19.8 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1580
CrossesMiddle Fork Reddies Riv.
Location.1 MI.W.JCT.SR1562
RouteState Highway 1580
CountyWilkes County
StateNorth Carolina
Coordinates36.27315, -81.30173
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2016)
Projected traffic460 by 2040
Trucks6%
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 SR1580 over Middle Fork Reddies Riv. built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR1580 over Middle Fork Reddies Riv. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does SR1580 over Middle Fork Reddies Riv. carry?

About 230 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1580 over Middle Fork Reddies Riv.?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 21 ft wide.

Who owns SR1580 over Middle Fork Reddies Riv.?

It is owned by the State Highway Agency.