US Bridges

SR1524 over Big Mountain Creek

FairPosted for load

Montgomery County, North Carolina · 0.8 Mi. E. Jct. SR1533 · Structure no. 000000001230215

Built
1957
68 years old, rebuilt 1987
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
210
2017 count
Owner
State
State Highway Agency

About this bridge

SR1524 over Big Mountain Creek is a steel stringer/multi-beam or girder carrying SR1524 over Big Mountain Creek in Montgomery County, North Carolina. It was built in 1957 and reconstructed in 1987, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 210 vehicles a day, roughly 6% of them trucks, projected to reach 420 by 2040. The structure is 36 ft (10.9 m) long and 20 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR1524
CrossesBig Mountain Creek
Location0.8 Mi. E. Jct. SR1533
RouteState Highway 1524
CountyMontgomery County
StateNorth Carolina
Coordinates35.22288, -79.75947
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2017)
Projected traffic420 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1524 over Big Mountain Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1987.

What condition is SR1524 over Big 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 March 2023.

How much traffic does SR1524 over Big Mountain Creek carry?

About 210 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1524 over Big Mountain Creek?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 20 ft wide.

Who owns SR1524 over Big Mountain Creek?

It is owned by the State Highway Agency.