US Bridges

SR1147 over South Beaver Creek

Fair

Ashe County, North Carolina · .1 MI.S.JCT.SR1181 · Structure no. 000000000090345

Built
1997
28 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
650
2020 count
Owner
State
State Highway Agency

About this bridge

SR1147 over South Beaver Creek is a steel stringer/multi-beam or girder carrying SR1147 over South Beaver Creek in Ashe County, North Carolina. It was built in 1997, so it is 28 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 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.

It carries about 650 vehicles a day, roughly 6% of them trucks, projected to reach 1,300 by 2040. The structure is 43 ft (13.1 m) long and 25 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSR1147
CrossesSouth Beaver Creek
Location.1 MI.S.JCT.SR1181
RouteState Highway 1147
Coordinates36.35105, -81.4601
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating58 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.1 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic1,300 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1147 over South Beaver Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1147 over South Beaver 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 November 2023.

How much traffic does SR1147 over South Beaver Creek carry?

About 650 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR1147 over South Beaver Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.1 m) and a deck 25 ft wide.

Who owns SR1147 over South Beaver Creek?

It is owned by the State Highway Agency.