US Bridges

Sc 20 over Parker Creek

Good

Abbeville County, South Carolina · Greenvlle ST in Abbev · Structure no. 000000000000367

Built
1930
95 years old, rebuilt 1977
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
1,950
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 20 over Parker Creek is a concrete culvert carrying Sc 20 over Parker Creek in Abbeville County, South Carolina. It was built in 1930 and reconstructed in 1977, so it is 95 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 1,950 vehicles a day, roughly 3% of them trucks, projected to reach 3,101 by 2043. The structure is 31 ft (9.4 m) long and 73 ft wide.

CarriesSc 20
CrossesParker Creek
LocationGreenvlle ST in Abbev
RouteState Highway 20
Coordinates34.18748, -82.38163
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width73 ft (22.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2023)
Projected traffic3,101 by 2043
Trucks3%
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 20 over Parker Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1977.

What condition is Sc 20 over Parker 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 September 2023.

How much traffic does Sc 20 over Parker Creek carry?

About 1,950 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 20 over Parker Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 73 ft wide.

Who owns Sc 20 over Parker Creek?

It is owned by the State Highway Agency.