US Bridges

S-390/TOOGOODOO RD over Toogoodoo Creek

Fair

Charleston County, South Carolina · 3.5 MI SW Ravenel · Structure no. 000000000006962

Built
1977
48 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

S-390/TOOGOODOO RD over Toogoodoo Creek is a concrete slab carrying S-390/TOOGOODOO RD over Toogoodoo Creek in Charleston County, South Carolina. It was built in 1977, so it is 48 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 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 1,750 vehicles a day, roughly 4% of them trucks, projected to reach 2,555 by 2043. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

No coordinates are recorded for this structure.

CarriesS-390/TOOGOODOO RD
CrossesToogoodoo Creek
Location3.5 MI SW Ravenel
RouteState Highway 390
CountyCharleston County
StateSouth Carolina
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic2,555 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$66,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-390/TOOGOODOO RD over Toogoodoo Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is S-390/TOOGOODOO RD over Toogoodoo 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 November 2024.

How much traffic does S-390/TOOGOODOO RD over Toogoodoo Creek carry?

About 1,750 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-390/TOOGOODOO RD over Toogoodoo Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-390/TOOGOODOO RD over Toogoodoo Creek?

It is owned by the State Highway Agency.