US Bridges

S-16-1215 over Trib to Sparrow Swamp

Good

Darlington County, South Carolina · 5 MI NW Lamar · Structure no. 000000000007775

Built
1984
41 years old, rebuilt 1996
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-16-1215 over Trib to Sparrow Swamp is a concrete slab carrying S-16-1215 over Trib to Sparrow Swamp in Darlington County, South Carolina. It was built in 1984 and reconstructed in 1996, so it is 41 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2025. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-16-1215
CrossesTrib to Sparrow Swamp
Location5 MI NW Lamar
RouteState Highway 1215
Coordinates34.23806, -80.11722
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-16-1215 over Trib to Sparrow Swamp built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1996.

What condition is S-16-1215 over Trib to 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 2025.

How much traffic does S-16-1215 over Trib to Sparrow Swamp carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-16-1215 over Trib to Sparrow Swamp?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-16-1215 over Trib to Sparrow Swamp?

It is owned by the State Highway Agency.