US Bridges

S-16-49 over High Hill Creek

Good

Darlington County, South Carolina · 5 MI SE of Darlington · Structure no. 000000000010401

Built
2020
5 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
100 ft
1 main span
Daily traffic
7,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-16-49 over High Hill Creek is a concrete slab carrying S-16-49 over High Hill Creek in Darlington County, South Carolina. It was built in 2020, so it is 5 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 7,600 vehicles a day, roughly 3% of them trucks, projected to reach 4,560 by 2043. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-16-49
CrossesHigh Hill Creek
Location5 MI SE of Darlington
RouteState Highway 49
CountyDarlington County
StateSouth Carolina
Coordinates34.23778, -79.83714
Functional classUrban Collector

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 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic7,600 (2023)
Projected traffic4,560 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-16-49 over High Hill Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is S-16-49 over High Hill 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 January 2025.

How much traffic does S-16-49 over High Hill Creek carry?

About 7,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-16-49 over High Hill Creek?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns S-16-49 over High Hill Creek?

It is owned by the State Highway Agency.