US Bridges

SR1171 over Bledsoe Creek

Fair

Alleghany County, North Carolina · .1 MI.S.JCT.US21 · Structure no. 000000000050150

Built
1962
63 years old, rebuilt 2023
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
100
2000 count
Owner
State
State Highway Agency

About this bridge

SR1171 over Bledsoe Creek is a steel stringer/multi-beam or girder carrying SR1171 over Bledsoe Creek in Alleghany County, North Carolina. It was built in 1962 and reconstructed in 2023, so it is 63 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 41 ft (12.4 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1171
CrossesBledsoe Creek
Location.1 MI.S.JCT.US21
RouteState Highway 1171
CountyAlleghany County
StateNorth Carolina
Coordinates36.49725, -81.10982
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span39 ft (11.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2000)
Projected traffic200 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 SR1171 over Bledsoe Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2023.

What condition is SR1171 over Bledsoe 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 October 2023.

How much traffic does SR1171 over Bledsoe Creek carry?

About 100 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1171 over Bledsoe Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.8 m) and a deck 21 ft wide.

Who owns SR1171 over Bledsoe Creek?

It is owned by the State Highway Agency.