US Bridges

S-19-284 over Mountain Creek

Good

Edgefield County, South Carolina · 12.0MI NW Edgefield · Structure no. 000000000004523

Built
2009
16 years old
Condition
Good
inspected February 2025
Type
Slab
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

S-19-284 over Mountain Creek is a prestressed concrete slab carrying S-19-284 over Mountain Creek in Edgefield County, South Carolina. It was built in 2009, so it is 16 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 50 vehicles a day, projected to reach 70 by 2043. The structure is 100 ft (30.5 m) long and 36 ft wide.

CarriesS-19-284
CrossesMountain Creek
Location12.0MI NW Edgefield
RouteState Highway 284
Coordinates33.94982, -82.01618
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks0%
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 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-19-284 over Mountain Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is S-19-284 over Mountain 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 February 2025.

How much traffic does S-19-284 over Mountain Creek carry?

About 50 vehicles per day (2023 count).

How long is S-19-284 over Mountain 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-19-284 over Mountain Creek?

It is owned by the State Highway Agency.