US Bridges

SR1116 over Rock House Creek

Fair

Mitchell County, North Carolina · .3 MI.S.JCT.NC226 · Structure no. 000000001210238

Built
1920
105 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
600
1996 count
Owner
State
State Highway Agency

About this bridge

SR1116 over Rock House Creek is a concrete continuous culvert carrying SR1116 over Rock House Creek in Mitchell County, North Carolina. It was built in 1920, so it is 105 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 600 vehicles a day, roughly 6% of them trucks, projected to reach 1,200 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1116
CrossesRock House Creek
Location.3 MI.S.JCT.NC226
RouteState Highway 1116
Coordinates35.88682, -82.06179
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (1996)
Projected traffic1,200 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 SR1116 over Rock House Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is SR1116 over Rock House 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 December 2023.

How much traffic does SR1116 over Rock House Creek carry?

About 600 vehicles per day (1996 count), of which roughly 6% are trucks.

How long is SR1116 over Rock House Creek?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1116 over Rock House Creek?

It is owned by the State Highway Agency.