US Bridges

Sc 28 over Richland Creek

Good

Oconee County, South Carolina · 3.0 MI N of Seneca · Structure no. 000000000003714

Built
1961
64 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
16,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 28 over Richland Creek is a concrete culvert carrying Sc 28 over Richland Creek in Oconee County, South Carolina. It was built in 1961, so it is 64 years old, older 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 16,300 vehicles a day, roughly 4% of them trucks, projected to reach 22,983 by 2043. The structure is 23 ft (7 m) long and 113 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 28
CrossesRichland Creek
Location3.0 MI N of Seneca
RouteState Highway 28
Coordinates34.72056, -83.01198
Functional classUrban 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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width113 ft (34.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,300 (2023)
Projected traffic22,983 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$65,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 28 over Richland Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Sc 28 over Richland 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 May 2024.

How much traffic does Sc 28 over Richland Creek carry?

About 16,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sc 28 over Richland Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 113 ft wide.

Who owns Sc 28 over Richland Creek?

It is owned by the State Highway Agency.