US Bridges

S-18-19/WIRE RD over Poorly Branch

Fair

Dorchester County, South Carolina · 9MI SW Ridgeville · Structure no. 000000000002717

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
42 ft
3 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-18-19/WIRE RD over Poorly Branch is a concrete slab carrying S-18-19/WIRE RD over Poorly Branch in Dorchester 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 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,460 by 2043. The structure is 42 ft (12.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-18-19/WIRE RD
CrossesPoorly Branch
Location9MI SW Ridgeville
RouteState Highway 19
Coordinates33.08423, -80.47333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,460 by 2043
Trucks11%
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 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-18-19/WIRE RD over Poorly Branch built?

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

What condition is S-18-19/WIRE RD over Poorly 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-18-19/WIRE RD over Poorly Branch carry?

About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is S-18-19/WIRE RD over Poorly Branch?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 29 ft wide.

Who owns S-18-19/WIRE RD over Poorly Branch?

It is owned by the State Highway Agency.