US Bridges

Sc 200 over S.C.9-U.S.521 By-Pass

Fair

Lancaster County, South Carolina · 1MI N of Lancaster · Structure no. 000000000004591

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
306 ft
4 main spans
Daily traffic
6,600
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 200 over S.C.9-U.S.521 By-Pass is a steel stringer/multi-beam or girder carrying Sc 200 over S.C.9-U.S.521 By-Pass in Lancaster County, South Carolina. It was built in 1965, so it is 60 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.

It carries about 6,600 vehicles a day, roughly 6% of them trucks, projected to reach 9,306 by 2043. The structure is 306 ft (93.3 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesSc 200
CrossesS.C.9-U.S.521 By-Pass
Location1MI N of Lancaster
RouteState Highway 200
CountyLancaster County
StateSouth Carolina
Coordinates34.73497, -80.77403
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length306 ft (93.3 m)
Longest span85 ft (25.9 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2023)
Projected traffic9,306 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 200 over S.C.9-U.S.521 By-Pass built?

It was built in 1965, making it 60 years old in 2025.

What condition is Sc 200 over S.C.9-U.S.521 By-Pass 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 August 2024.

How much traffic does Sc 200 over S.C.9-U.S.521 By-Pass carry?

About 6,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 200 over S.C.9-U.S.521 By-Pass?

The structure is 306 ft (93.3 m) long with a longest span of 85 ft (25.9 m) and a deck 36 ft wide.

Who owns Sc 200 over S.C.9-U.S.521 By-Pass?

It is owned by the State Highway Agency.