US Bridges

US 15 over Panther Creek

Poor

Marlboro County, South Carolina · 1MI NE of Mccoll · Structure no. 000000000000950

Built
1925
100 years old, rebuilt 1939
Condition
Poor
inspected March 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
7,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 15 over Panther Creek is a concrete continuous culvert carrying US 15 over Panther Creek in Marlboro County, South Carolina. It was built in 1925 and reconstructed in 1939, so it is 100 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,600 vehicles a day, roughly 8% of them trucks, projected to reach 12,084 by 2043. The structure is 32 ft (9.7 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 15
CrossesPanther Creek
Location1MI NE of Mccoll
RouteU.S. Route 15
CountyMarlboro County
StateSouth Carolina
Coordinates34.67741, -79.5419
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2023)
Projected traffic12,084 by 2043
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$318,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 15 over Panther Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1939.

What condition is US 15 over Panther Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does US 15 over Panther Creek carry?

About 7,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 15 over Panther Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns US 15 over Panther Creek?

It is owned by the State Highway Agency.