US Bridges

SR1166 over Back Creek

Fair

Cabarrus County, North Carolina · 0.4 Mi. N. Jct. SR1168 · Structure no. 000000000250169

Built
1994
31 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
12,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR1166 over Back Creek is a concrete culvert carrying SR1166 over Back Creek in Cabarrus County, North Carolina. It was built in 1994, so it is 31 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 12,500 vehicles a day, roughly 7% of them trucks, projected to reach 25,000 by 2040. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1166
CrossesBack Creek
Location0.4 Mi. N. Jct. SR1168
RouteState Highway 1166
Coordinates35.31366, -80.65256
Functional classUrban Collector

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 inspectionApril 2024
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 rating47 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.5 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2022)
Projected traffic25,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1166 over Back Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR1166 over Back 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 April 2024.

How much traffic does SR1166 over Back Creek carry?

About 12,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1166 over Back Creek?

The structure is 38 ft (11.5 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1166 over Back Creek?

It is owned by the State Highway Agency.