US Bridges

Sc 9 over Seeley Creek

Good

Chester County, South Carolina · 3.8MI W of Chester · Structure no. 000000000009493

Built
2000
25 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
180 ft
2 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 9 over Seeley Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 9 over Seeley Creek in Chester County, South Carolina. It was built in 2000, so it is 25 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 3,300 vehicles a day, roughly 16% of them trucks, projected to reach 5,742 by 2043. The structure is 180 ft (54.9 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSc 9
CrossesSeeley Creek
Location3.8MI W of Chester
RouteState Highway 9
Coordinates34.71586, -81.28107
Functional classRural Principal Arterial - Other

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length180 ft (54.9 m)
Longest span90 ft (27.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic5,742 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 9 over Seeley Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sc 9 over Seeley 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 August 2023.

How much traffic does Sc 9 over Seeley Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Sc 9 over Seeley Creek?

The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 47 ft wide.

Who owns Sc 9 over Seeley Creek?

It is owned by the State Highway Agency.