US Bridges

Sc 63 over Big Salkehatchie River

Good

Colleton County, South Carolina · On Hampton/Coll CO LN · Structure no. 000000000000504

Built
2002
23 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 63 over Big Salkehatchie River is a prestressed concrete slab carrying Sc 63 over Big Salkehatchie River in Colleton County, South Carolina. It was built in 2002, so it is 23 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 2,900 vehicles a day, roughly 12% of them trucks, projected to reach 4,611 by 2043. The structure is 320 ft (97.5 m) long and 45 ft wide.

CarriesSc 63
CrossesBig Salkehatchie River
LocationOn Hampton/Coll CO LN
RouteState Highway 63
Coordinates32.91047, -80.99005
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans8
Design loadHL 93
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic4,611 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 63 over Big Salkehatchie River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sc 63 over Big Salkehatchie 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 March 2024.

How much traffic does Sc 63 over Big Salkehatchie River carry?

About 2,900 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Sc 63 over Big Salkehatchie River?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns Sc 63 over Big Salkehatchie River?

It is owned by the State Highway Agency.