US Bridges

S-18-58/JEDBURG RD over Green Bay Branch

Fair

Dorchester County, South Carolina · 4.3 MI NW Summerville · Structure no. 000000000007779

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
11,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-18-58/JEDBURG RD over Green Bay Branch is a concrete slab carrying S-18-58/JEDBURG RD over Green Bay Branch in Dorchester County, South Carolina. It was built in 1984, so it is 41 years old, younger 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 11,200 vehicles a day, roughly 12% of them trucks, projected to reach 13,664 by 2043. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesS-18-58/JEDBURG RD
CrossesGreen Bay Branch
Location4.3 MI NW Summerville
RouteState Highway 58
CountyDorchester County
StateSouth Carolina
Coordinates33.05759, -80.23537
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic13,664 by 2043
Trucks12%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-18-58/JEDBURG RD over Green Bay Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is S-18-58/JEDBURG RD over Green Bay Branch 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 May 2023.

How much traffic does S-18-58/JEDBURG RD over Green Bay Branch carry?

About 11,200 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-18-58/JEDBURG RD over Green Bay Branch?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-18-58/JEDBURG RD over Green Bay Branch?

It is owned by the State Highway Agency.