US Bridges

S-16-65 over Sparrow Swamp

Good

Darlington County, South Carolina · 5 MI SW of Hartsville · Structure no. 000000000010795

Built
2022
3 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

S-16-65 over Sparrow Swamp is a concrete slab carrying S-16-65 over Sparrow Swamp in Darlington County, South Carolina. It was built in 2022, so it is 3 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 375 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-16-65
CrossesSparrow Swamp
Location5 MI SW of Hartsville
RouteState Highway 65
Coordinates34.29833, -80.15417
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic480 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$105,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-16-65 over Sparrow Swamp built?

It was built in 2022, making it 3 years old in 2025.

What condition is S-16-65 over Sparrow Swamp 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 January 2024.

How much traffic does S-16-65 over Sparrow Swamp carry?

About 375 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-16-65 over Sparrow Swamp?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-16-65 over Sparrow Swamp?

It is owned by the State Highway Agency.