US Bridges

S-17-198 over S.C.L. Railroad

Poor

Dillon County, South Carolina · 3MI N Dillon · Structure no. 000000000003631

Built
1961
64 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-198 over S.C.L. Railroad is a steel stringer/multi-beam or girder carrying S-17-198 over S.C.L. Railroad in Dillon County, South Carolina. It was built in 1961, so it is 64 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 1,900 vehicles a day, roughly 12% of them trucks, projected to reach 2,679 by 2043. The structure is 150 ft (45.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-17-198
CrossesS.C.L. Railroad
Location3MI N Dillon
RouteState Highway 198
Coordinates34.46271, -79.34065
Functional classUrban Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,679 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-17-198 over S.C.L. Railroad built?

It was built in 1961, making it 64 years old in 2025.

What condition is S-17-198 over S.C.L. Railroad 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 February 2025.

How much traffic does S-17-198 over S.C.L. Railroad carry?

About 1,900 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-17-198 over S.C.L. Railroad?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns S-17-198 over S.C.L. Railroad?

It is owned by the State Highway Agency.