US Bridges

Sc 56 over Mills Creek

Good

Newberry County, South Carolina · 14.1 MI S W of Newberry · Structure no. 000000000009245

Built
1997
28 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 56 over Mills Creek is a concrete continuous slab carrying Sc 56 over Mills Creek in Newberry County, South Carolina. It was built in 1997, so it is 28 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 24% of them trucks, projected to reach 3,339 by 2043. The structure is 98 ft (29.9 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 56
CrossesMills Creek
Location14.1 MI S W of Newberry
RouteState Highway 56
Coordinates34.25637, -81.86241
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span33 ft (10.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic3,339 by 2043
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 56 over Mills Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sc 56 over Mills 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 June 2024.

How much traffic does Sc 56 over Mills Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is Sc 56 over Mills Creek?

The structure is 98 ft (29.9 m) long with a longest span of 33 ft (10.1 m) and a deck 42 ft wide.

Who owns Sc 56 over Mills Creek?

It is owned by the State Highway Agency.