US Bridges

NC18 over Ball Alley Creek

Good

Burke County, North Carolina · .8 MI.S.JCT.SR1984 · Structure no. 000000000230039

Built
1952
73 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

NC18 over Ball Alley Creek is a concrete continuous culvert carrying NC18 over Ball Alley Creek in Burke County, North Carolina. It was built in 1952, so it is 73 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 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 3,900 vehicles a day, roughly 8% of them trucks, projected to reach 7,800 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNC18
CrossesBall Alley Creek
Location.8 MI.S.JCT.SR1984
RouteState Highway 18
Coordinates35.67899, -81.56422
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 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
Waterway adequacy7: Better than 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 spans3
Design loadHS 20
Structure length43 ft (13.1 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 traffic3,900 (2022)
Projected traffic7,800 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 NC18 over Ball Alley Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is NC18 over Ball Alley 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 NC18 over Ball Alley Creek carry?

About 3,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NC18 over Ball Alley Creek?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).

Who owns NC18 over Ball Alley Creek?

It is owned by the State Highway Agency.