US Bridges

Sc 165 over Mellichamp Branch

Fair

Charleston County, South Carolina · At Ravenel · Structure no. 000000000008140

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
4,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 165 over Mellichamp Branch is a concrete slab carrying Sc 165 over Mellichamp Branch in Charleston County, South Carolina. It was built in 1988, so it is 37 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 4,000 vehicles a day, roughly 6% of them trucks, projected to reach 5,840 by 2043. The structure is 45 ft (13.7 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSc 165
CrossesMellichamp Branch
LocationAt Ravenel
RouteState Highway 165
CountyCharleston County
StateSouth Carolina
Coordinates32.75915, -80.24394
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic5,840 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sc 165 over Mellichamp Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Sc 165 over Mellichamp Branch 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 June 2024.

How much traffic does Sc 165 over Mellichamp Branch carry?

About 4,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 165 over Mellichamp Branch?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns Sc 165 over Mellichamp Branch?

It is owned by the State Highway Agency.