US Bridges

Sc 9 over Broad River

Good

Chester County, South Carolina · Union CO LN · Structure no. 000000000010156

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
705 ft
5 main spans
Daily traffic
3,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 9 over Broad River is a prestressed concrete stringer/multi-beam or girder carrying Sc 9 over Broad River in Chester County, South Carolina. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,700 vehicles a day, roughly 17% of them trucks, projected to reach 6,438 by 2043. The structure is 705 ft (214.9 m) long and 52 ft wide.

CarriesSc 9
CrossesBroad River
LocationUnion CO LN
RouteState Highway 9
Coordinates34.78748, -81.45598
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length705 ft (214.9 m)
Longest span145 ft (44.2 m)
Deck width52 ft (15.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2023)
Projected traffic6,438 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Sc 9 over Broad River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Sc 9 over Broad 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 August 2023.

How much traffic does Sc 9 over Broad River carry?

About 3,700 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Sc 9 over Broad River?

The structure is 705 ft (214.9 m) long with a longest span of 145 ft (44.2 m) and a deck 52 ft wide.

Who owns Sc 9 over Broad River?

It is owned by the State Highway Agency.