US Bridges

Stone Mtn. Rd. over Stone Mountain Creek

FairPosted for load

Wilkes County, North Carolina · 3.3 MI.N.JCT.SR1737 · Structure no. 000000001930780

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
60
2015 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Stone Mtn. Rd. over Stone Mountain Creek is a steel stringer/multi-beam or girder carrying Stone Mtn. Rd. over Stone Mountain Creek in Wilkes County, North Carolina. It was built in 1960, so it is 65 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 60 vehicles a day, roughly 6% of them trucks, projected to reach 120 by 2040. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStone Mtn. Rd.
CrossesStone Mountain Creek
Location3.3 MI.N.JCT.SR1737
RouteState Lands Road 0
Coordinates36.39845, -81.04744
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
Deck7 GoodSome minor problems.
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 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.9 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2015)
Projected traffic120 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Stone Mtn. Rd. over Stone Mountain Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Stone Mtn. Rd. over Stone Mountain 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 January 2025.

How much traffic does Stone Mtn. Rd. over Stone Mountain Creek carry?

About 60 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is Stone Mtn. Rd. over Stone Mountain Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns Stone Mtn. Rd. over Stone Mountain Creek?

It is owned by the State Park, Forest, or Reservation Agency.