US Bridges

L-8365/QUEENSGTWAY over Tidal Creek

Good

Charleston County, South Carolina · In Mt. Pleasant · Structure no. 000000000010454

Built
2000
25 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
600
2023 count
Owner
County
County Highway Agency

About this bridge

L-8365/QUEENSGTWAY over Tidal Creek is a concrete culvert carrying L-8365/QUEENSGTWAY over Tidal Creek in Charleston County, South Carolina. It was built in 2000, so it is 25 years old, younger 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 768 by 2043. The structure is 28 ft (8.5 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesL-8365/QUEENSGTWAY
CrossesTidal Creek
LocationIn Mt. Pleasant
RouteCounty Highway 8365
Coordinates32.89513, -79.78559
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic768 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 L-8365/QUEENSGTWAY over Tidal Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is L-8365/QUEENSGTWAY over Tidal Creek 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 August 2023.

How much traffic does L-8365/QUEENSGTWAY over Tidal Creek carry?

About 600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is L-8365/QUEENSGTWAY over Tidal Creek?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 36 ft wide.

Who owns L-8365/QUEENSGTWAY over Tidal Creek?

It is owned by the County Highway Agency.