US Bridges

L-9213/PLMRSBRDGRD over Mechaw Creek

Good

Charleston County, South Carolina · 5 MI NW of Mccellanville · Structure no. 000000000010702

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
800
2023 count
Owner
County
County Highway Agency

About this bridge

L-9213/PLMRSBRDGRD over Mechaw Creek is a prestressed concrete box beam or girders - multiple carrying L-9213/PLMRSBRDGRD over Mechaw Creek in Charleston County, South Carolina. It was built in 1986, so it is 39 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,024 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesL-9213/PLMRSBRDGRD
CrossesMechaw Creek
Location5 MI NW of Mccellanville
RouteCounty Highway 9213
Coordinates33.11944, -79.5375
Functional classRural Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.9 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,024 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-9213/PLMRSBRDGRD over Mechaw Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is L-9213/PLMRSBRDGRD over Mechaw 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 November 2023.

How much traffic does L-9213/PLMRSBRDGRD over Mechaw Creek carry?

About 800 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is L-9213/PLMRSBRDGRD over Mechaw Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns L-9213/PLMRSBRDGRD over Mechaw Creek?

It is owned by the County Highway Agency.