US Bridges

S-40-59 over Big Cedar Creek

Good

Richland County, South Carolina · 15 MI N of Columbia · Structure no. 000000000006766

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-59 over Big Cedar Creek is a prestressed concrete slab carrying S-40-59 over Big Cedar Creek in Richland County, South Carolina. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 6% of them trucks, projected to reach 776 by 2043. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-40-59
CrossesBig Cedar Creek
Location15 MI N of Columbia
RouteState Highway 59
Coordinates34.21143, -81.09691
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic776 by 2043
Trucks6%
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 S-40-59 over Big Cedar Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is S-40-59 over Big Cedar Creek 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 October 2024.

How much traffic does S-40-59 over Big Cedar Creek carry?

About 400 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-40-59 over Big Cedar Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns S-40-59 over Big Cedar Creek?

It is owned by the State Highway Agency.