US Bridges

SR1186 over Ayles Creek

Fair

Yancey County, North Carolina · .01 MI.W.JCT.NC80 · Structure no. 000000001990296

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
3,800
2019 count
Owner
State
State Highway Agency

About this bridge

SR1186 over Ayles Creek is a concrete continuous culvert carrying SR1186 over Ayles Creek in Yancey County, North Carolina. It was built in 1960, so it is 65 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.

It carries about 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 7,600 by 2040. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1186
CrossesAyles Creek
Location.01 MI.W.JCT.NC80
RouteState Highway 1186
Coordinates35.90761, -82.21591
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span13 ft (3.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2019)
Projected traffic7,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1186 over Ayles Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR1186 over Ayles 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 SR1186 over Ayles Creek carry?

About 3,800 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1186 over Ayles Creek?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (3.9 m) and a deck 33 ft wide.

Who owns SR1186 over Ayles Creek?

It is owned by the State Highway Agency.