US Bridges

S-30-45 over CSX Railroad

Fair

Laurens County, South Carolina · 5.8 MI SW Clinton · Structure no. 000000000007385

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-30-45 over CSX Railroad is a prestressed concrete slab carrying S-30-45 over CSX Railroad in Laurens County, South Carolina. It was built in 1980, so it is 45 years old, younger 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 750 vehicles a day, roughly 3% of them trucks, projected to reach 1,043 by 2043. The structure is 90 ft (27.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesS-30-45
CrossesCSX Railroad
Location5.8 MI SW Clinton
RouteState Highway 45
CountyLaurens County
StateSouth Carolina
Coordinates34.40756, -81.94285
Functional classRural Minor 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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating49.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,043 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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$347,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-30-45 over CSX Railroad built?

It was built in 1980, making it 45 years old in 2025.

What condition is S-30-45 over CSX 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 May 2023.

How much traffic does S-30-45 over CSX Railroad carry?

About 750 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-30-45 over CSX Railroad?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns S-30-45 over CSX Railroad?

It is owned by the State Highway Agency.