US Bridges

S-17-23 over S.C.L. Railroad

Fair

Dillon County, South Carolina · 1 MI N Latta · Structure no. 000000000004305

Built
1964
61 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-23 over S.C.L. Railroad is a prestressed concrete stringer/multi-beam or girder carrying S-17-23 over S.C.L. Railroad in Dillon County, South Carolina. It was built in 1964, so it is 61 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,250 vehicles a day, roughly 15% of them trucks, projected to reach 1,825 by 2043. The structure is 135 ft (41.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-17-23
CrossesS.C.L. Railroad
Location1 MI N Latta
RouteState Highway 23
CountyDillon County
StateSouth Carolina
Coordinates34.35977, -79.41581
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,825 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$342,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-17-23 over S.C.L. Railroad built?

It was built in 1964, making it 61 years old in 2025.

What condition is S-17-23 over S.C.L. Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does S-17-23 over S.C.L. Railroad carry?

About 1,250 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is S-17-23 over S.C.L. Railroad?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns S-17-23 over S.C.L. Railroad?

It is owned by the State Highway Agency.