US Bridges

S-16/JEDBURG RD over Miller Dam Branch

Fair

Berkeley County, South Carolina · 12.2MI SW Moncks Corner · Structure no. 000000000002666

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
42 ft
3 main spans
Daily traffic
11,700
2023 count
Owner
State
State Highway Agency

About this bridge

S-16/JEDBURG RD over Miller Dam Branch is a concrete slab carrying S-16/JEDBURG RD over Miller Dam Branch in Berkeley County, South Carolina. It was built in 1958, so it is 67 years old, older 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 11,700 vehicles a day, roughly 10% of them trucks, projected to reach 16,029 by 2043. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesS-16/JEDBURG RD
CrossesMiller Dam Branch
Location12.2MI SW Moncks Corner
RouteState Highway 16
CountyBerkeley County
StateSouth Carolina
Coordinates33.10068, -80.19221
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,700 (2023)
Projected traffic16,029 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$209,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-16/JEDBURG RD over Miller Dam Branch built?

It was built in 1958, making it 67 years old in 2025.

What condition is S-16/JEDBURG RD over Miller Dam 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 October 2024.

How much traffic does S-16/JEDBURG RD over Miller Dam Branch carry?

About 11,700 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-16/JEDBURG RD over Miller Dam Branch?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 28 ft wide.

Who owns S-16/JEDBURG RD over Miller Dam Branch?

It is owned by the State Highway Agency.