US Bridges

US 521 NB over Cane Creek

Good

Lancaster County, South Carolina · 3.7 MI N of Lancaster · Structure no. 000000000010519

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
12,850
2023 count
Owner
State
State Highway Agency

About this bridge

US 521 NB over Cane Creek is a concrete continuous stringer/multi-beam or girder carrying US 521 NB over Cane Creek in Lancaster County, South Carolina. It was built in 2021, so it is 4 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,850 vehicles a day, roughly 7% of them trucks, projected to reach 20,046 by 2043. The structure is 190 ft (57.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 521 NB
CrossesCane Creek
Location3.7 MI N of Lancaster
RouteU.S. Route 521
Coordinates34.79228, -80.79684
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length190 ft (57.9 m)
Longest span70 ft (21.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,850 (2023)
Projected traffic20,046 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 521 NB over Cane Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 521 NB over Cane 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 2024.

How much traffic does US 521 NB over Cane Creek carry?

About 12,850 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 521 NB over Cane Creek?

The structure is 190 ft (57.9 m) long with a longest span of 70 ft (21.3 m) and a deck 47 ft wide.

Who owns US 521 NB over Cane Creek?

It is owned by the State Highway Agency.