US Bridges

S-13-20 over Juniper Creek

Good

Chesterfield County, South Carolina · 11.5 MI SE Chesterfield · Structure no. 000000000003224

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
1,050
2023 count
Owner
State
State Highway Agency

About this bridge

S-13-20 over Juniper Creek is a prestressed concrete slab carrying S-13-20 over Juniper Creek in Chesterfield County, South Carolina. It was built in 2004, so it is 21 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 1,050 vehicles a day, roughly 9% of them trucks, projected to reach 1,533 by 2043. The structure is 100 ft (30.5 m) long and 36 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesS-13-20
CrossesJuniper Creek
Location11.5 MI SE Chesterfield
RouteState Highway 20
Coordinates34.62242, -79.94557
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,533 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 S-13-20 over Juniper Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is S-13-20 over Juniper 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 November 2024.

How much traffic does S-13-20 over Juniper Creek carry?

About 1,050 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-13-20 over Juniper Creek?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns S-13-20 over Juniper Creek?

It is owned by the State Highway Agency.