US Bridges

SR1122 over Chestnut Cove Creek

Good

Swain County, North Carolina · .1 MI.S.JCT.SR1177 · Structure no. 000000001730131

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

SR1122 over Chestnut Cove Creek is a prestressed concrete slab carrying SR1122 over Chestnut Cove Creek in Swain County, North Carolina. It was built in 2013, so it is 12 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 100 by 2040. The structure is 32 ft (9.7 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1122
CrossesChestnut Cove Creek
Location.1 MI.S.JCT.SR1177
RouteState Highway 1122
CountySwain County
StateNorth Carolina
Coordinates35.38497, -83.35216
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic100 by 2040
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1122 over Chestnut Cove Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR1122 over Chestnut Cove Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SR1122 over Chestnut Cove Creek carry?

About 50 vehicles per day (2023 count).

How long is SR1122 over Chestnut Cove Creek?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns SR1122 over Chestnut Cove Creek?

It is owned by the State Highway Agency.