US Bridges

S-20-304 over Morris Creek

Fair

Fairfield County, South Carolina · 6.8MI SW Winnsboro · Structure no. 000000000005285

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
325
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-304 over Morris Creek is a concrete slab carrying S-20-304 over Morris Creek in Fairfield County, South Carolina. It was built in 1968, so it is 57 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 325 vehicles a day, roughly 5% of them trucks, projected to reach 416 by 2043. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-20-304
CrossesMorris Creek
Location6.8MI SW Winnsboro
RouteState Highway 304
Coordinates34.30528, -81.16083
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating29.3 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 10
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2023)
Projected traffic416 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-20-304 over Morris Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is S-20-304 over Morris Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does S-20-304 over Morris Creek carry?

About 325 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-20-304 over Morris Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-20-304 over Morris Creek?

It is owned by the State Highway Agency.