US Bridges

S-31-221 over Beaver Dam Creek

Good

Lee County, South Carolina · 8MI SW of Bishopville · Structure no. 000000000009045

Built
1996
29 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
350
2023 count
Owner
State
State Highway Agency

About this bridge

S-31-221 over Beaver Dam Creek is a concrete continuous slab carrying S-31-221 over Beaver Dam Creek in Lee County, South Carolina. It was built in 1996, so it is 29 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 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2043. The structure is 78 ft (23.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-31-221
CrossesBeaver Dam Creek
Location8MI SW of Bishopville
RouteState Highway 221
Coordinates34.18125, -80.38024
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length78 ft (23.8 m)
Longest span32 ft (9.8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic448 by 2043
Trucks5%
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 S-31-221 over Beaver Dam Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-31-221 over Beaver Dam 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 August 2023.

How much traffic does S-31-221 over Beaver Dam Creek carry?

About 350 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-31-221 over Beaver Dam Creek?

The structure is 78 ft (23.8 m) long with a longest span of 32 ft (9.8 m) and a deck 36 ft wide.

Who owns S-31-221 over Beaver Dam Creek?

It is owned by the State Highway Agency.