US Bridges

S-10-1442 over Unnamed Stream

Good

Charleston County, South Carolina · 9.8 MI SW Chas · Structure no. 000000000004951

Built
1967
58 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
5,400
2023 count
Owner
State
State Highway Agency

About this bridge

S-10-1442 over Unnamed Stream is a concrete slab carrying S-10-1442 over Unnamed Stream in Charleston County, South Carolina. It was built in 1967, so it is 58 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,400 vehicles a day, roughly 4% of them trucks, projected to reach 7,398 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-10-1442
CrossesUnnamed Stream
Location9.8 MI SW Chas
RouteState Highway 1442
Coordinates32.72526, -80.08597
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 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 traffic5,400 (2023)
Projected traffic7,398 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$167,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-10-1442 over Unnamed Stream built?

It was built in 1967, making it 58 years old in 2025.

What condition is S-10-1442 over Unnamed Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does S-10-1442 over Unnamed Stream carry?

About 5,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-10-1442 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-10-1442 over Unnamed Stream?

It is owned by the State Highway Agency.