US Bridges

S-33-171 over Hard Labor Creek

FairPosted for load

McCormick County, South Carolina · 6.8 MI NE Mccormick · Structure no. 000000000006738

Built
1975
50 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Prestressed Concrete
Length
330 ft
11 main spans
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

S-33-171 over Hard Labor Creek is a prestressed concrete channel beam carrying S-33-171 over Hard Labor Creek in McCormick County, South Carolina. It was built in 1975, so it is 50 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 12% of them trucks, projected to reach 438 by 2043. The structure is 330 ft (100.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-33-171
CrossesHard Labor Creek
Location6.8 MI NE Mccormick
RouteState Highway 171
CountyMcCormick County
StateSouth Carolina
Coordinates33.98524, -82.21202
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating11 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans11
Design loadH 15
Structure length330 ft (100.6 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic438 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$415,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-33-171 over Hard Labor Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is S-33-171 over Hard Labor Creek 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 June 2023.

How much traffic does S-33-171 over Hard Labor Creek carry?

About 300 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-33-171 over Hard Labor Creek?

The structure is 330 ft (100.6 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns S-33-171 over Hard Labor Creek?

It is owned by the State Highway Agency.