US Bridges

SR1821 over Balls Creek

Good

Catawba County, North Carolina · 0.5 Mi. N. Jct. SR1820 · Structure no. 000000000350153

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR1821 over Balls Creek is a prestressed concrete slab carrying SR1821 over Balls Creek in Catawba County, North Carolina. It was built in 2000, so it is 25 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 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 3,200 by 2040. The structure is 102 ft (31 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1821
CrossesBalls Creek
Location0.5 Mi. N. Jct. SR1820
RouteState Highway 1821
Coordinates35.66998, -81.09683
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length102 ft (31 m)
Longest span59 ft (17.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic3,200 by 2040
Trucks6%
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 SR1821 over Balls Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR1821 over Balls 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 March 2023.

How much traffic does SR1821 over Balls Creek carry?

About 1,600 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1821 over Balls Creek?

The structure is 102 ft (31 m) long with a longest span of 59 ft (17.9 m) and a deck 30 ft wide.

Who owns SR1821 over Balls Creek?

It is owned by the State Highway Agency.