US Bridges

S-10-433 over Stream

Fair

Charleston County, South Carolina · 19.4 MI SW Chas · Structure no. 000000000009305

Built
1998
27 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
132 ft
4 main spans
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

S-10-433 over Stream is a concrete continuous slab carrying S-10-433 over Stream in Charleston County, South Carolina. It was built in 1998, so it is 27 years old, younger 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 6 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 384 by 2043. The structure is 132 ft (40.2 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS-10-433
CrossesStream
Location19.4 MI SW Chas
RouteState Highway 433
Coordinates32.64767, -80.22191
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length132 ft (40.2 m)
Longest span33 ft (10.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic384 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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 S-10-433 over Stream built?

It was built in 1998, making it 27 years old in 2025.

What condition is S-10-433 over Stream 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 August 2023.

How much traffic does S-10-433 over Stream carry?

About 300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-10-433 over Stream?

The structure is 132 ft (40.2 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns S-10-433 over Stream?

It is owned by the State Highway Agency.