US Bridges

S-8-413 over Unnamed Stream

Fair

Berkeley County, South Carolina · 5 MI SW Moncks Corner · Structure no. 000000000003824

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

S-8-413 over Unnamed Stream is a concrete slab carrying S-8-413 over Unnamed Stream in Berkeley County, South Carolina. It was built in 1962, so it is 63 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 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 1,750 vehicles a day, roughly 5% of them trucks, projected to reach 2,240 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesS-8-413
CrossesUnnamed Stream
Location5 MI SW Moncks Corner
RouteState Highway 413
CountyBerkeley County
StateSouth Carolina
Coordinates33.16793, -80.09379
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 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 width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic2,240 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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-8-413 over Unnamed Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is S-8-413 over Unnamed 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 October 2024.

How much traffic does S-8-413 over Unnamed Stream carry?

About 1,750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-8-413 over Unnamed Stream?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-8-413 over Unnamed Stream?

It is owned by the State Highway Agency.