US Bridges

S-27-34/LEVY RD over Mongon Swamp

Good

Jasper County, South Carolina · 6MI SE Hardeeville · Structure no. 000000000001959

Built
1997
28 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-27-34/LEVY RD over Mongon Swamp is a concrete continuous slab carrying S-27-34/LEVY RD over Mongon Swamp in Jasper County, South Carolina. It was built in 1997, so it is 28 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 2,100 vehicles a day, roughly 10% of them trucks, projected to reach 3,192 by 2043. The structure is 79 ft (24.1 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesS-27-34/LEVY RD
CrossesMongon Swamp
Location6MI SE Hardeeville
RouteState Highway 34
Coordinates32.20001, -81.05194
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length79 ft (24.1 m)
Longest span33 ft (10.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic3,192 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-27-34/LEVY RD over Mongon Swamp built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-27-34/LEVY RD over Mongon Swamp 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 January 2025.

How much traffic does S-27-34/LEVY RD over Mongon Swamp carry?

About 2,100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-27-34/LEVY RD over Mongon Swamp?

The structure is 79 ft (24.1 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns S-27-34/LEVY RD over Mongon Swamp?

It is owned by the State Highway Agency.