US Bridges

S-12-50 over Trib to Fishing Creek

Poor

Chester County, South Carolina · 5.5MI NW Richburg · Structure no. 000000000006964

Built
1977
48 years old
Condition
Poor
inspected January 2025
Type
Slab
Concrete
Length
105 ft
7 main spans
Daily traffic
200
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-50 over Trib to Fishing Creek is a concrete slab carrying S-12-50 over Trib to Fishing Creek in Chester County, South Carolina. It was built in 1977, so it is 48 years old, younger 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 200 vehicles a day, roughly 11% of them trucks, projected to reach 256 by 2025. The structure is 105 ft (32 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-12-50
CrossesTrib to Fishing Creek
Location5.5MI NW Richburg
RouteState Highway 50
Coordinates34.78556, -81.06944
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length105 ft (32 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic256 by 2025
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-12-50 over Trib to Fishing Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is S-12-50 over Trib to Fishing 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 January 2025.

How much traffic does S-12-50 over Trib to Fishing Creek carry?

About 200 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is S-12-50 over Trib to Fishing Creek?

The structure is 105 ft (32 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-12-50 over Trib to Fishing Creek?

It is owned by the State Highway Agency.