US Bridges

SR1147 over Little Crabtree Creek

Fair

Yancey County, North Carolina · .01 MI.S.JCT.SR1186 · Structure no. 000000001990023

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
2 main spans
Daily traffic
420
2000 count
Owner
State
State Highway Agency

About this bridge

SR1147 over Little Crabtree Creek is a steel stringer/multi-beam or girder carrying SR1147 over Little Crabtree Creek in Yancey County, North Carolina. It was built in 1968, so it is 57 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 420 vehicles a day, roughly 6% of them trucks, projected to reach 840 by 2040. The structure is 57 ft (17.3 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1147
CrossesLittle Crabtree Creek
Location.01 MI.S.JCT.SR1186
RouteState Highway 1147
Coordinates35.90819, -82.22124
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 inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length57 ft (17.3 m)
Longest span34 ft (10.3 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2000)
Projected traffic840 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 SR1147 over Little Crabtree Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR1147 over Little Crabtree 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 July 2023.

How much traffic does SR1147 over Little Crabtree Creek carry?

About 420 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1147 over Little Crabtree Creek?

The structure is 57 ft (17.3 m) long with a longest span of 34 ft (10.3 m) and a deck 20 ft wide.

Who owns SR1147 over Little Crabtree Creek?

It is owned by the State Highway Agency.