US Bridges

Sc 903 over Big Lynches River

Good

Kershaw County, South Carolina · 6 MI S of Jefferson · Structure no. 000000000001253

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
638 ft
5 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 903 over Big Lynches River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 903 over Big Lynches River in Kershaw County, South Carolina. It was built in 2005, so it is 20 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 18% of them trucks, projected to reach 3,339 by 2043. The structure is 638 ft (194.5 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 903
CrossesBig Lynches River
Location6 MI S of Jefferson
RouteState Highway 903
Coordinates34.56953, -80.3763
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHL 93
Structure length638 ft (194.5 m)
Longest span150 ft (45.7 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic3,339 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 903 over Big Lynches River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Sc 903 over Big Lynches River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Sc 903 over Big Lynches River carry?

About 2,100 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Sc 903 over Big Lynches River?

The structure is 638 ft (194.5 m) long with a longest span of 150 ft (45.7 m) and a deck 47 ft wide.

Who owns Sc 903 over Big Lynches River?

It is owned by the State Highway Agency.