US Bridges

SR1175 over Roaring Fork

Poor

Madison County, North Carolina · .01 MI.N.JCT.SR1177 · Structure no. 000000001150126

Built
1951
74 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
250
2021 count
Owner
State
State Highway Agency

About this bridge

SR1175 over Roaring Fork is a steel stringer/multi-beam or girder carrying SR1175 over Roaring Fork in Madison County, North Carolina. It was built in 1951, so it is 74 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 32 ft (9.7 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1175
CrossesRoaring Fork
Location.01 MI.N.JCT.SR1177
RouteState Highway 1175
Coordinates35.81527, -82.89542
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1175 over Roaring Fork built?

It was built in 1951, making it 74 years old in 2025.

What condition is SR1175 over Roaring Fork in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does SR1175 over Roaring Fork carry?

About 250 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1175 over Roaring Fork?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns SR1175 over Roaring Fork?

It is owned by the State Highway Agency.