US Bridges

I-77 over S-46-1441

Fair

York County, South Carolina · 0.9 MI S of Nc State LN · Structure no. 000000000006398

Built
1973
52 years old, rebuilt 2000
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
3 main spans
Daily traffic
130,800
2023 count
Owner
State
State Highway Agency

About this bridge

I-77 over S-46-1441 is a steel stringer/multi-beam or girder carrying I-77 over S-46-1441 in York County, South Carolina. It was built in 1973 and reconstructed in 2000, so it is 52 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 130,800 vehicles a day, roughly 12% of them trucks, projected to reach 183,120 by 2043. The structure is 252 ft (76.8 m) long and 143 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-77
CrossesS-46-1441
Location0.9 MI S of Nc State LN
RouteInterstate 77
Coordinates35.09167, -80.93306
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length252 ft (76.8 m)
Longest span127 ft (38.7 m)
Deck width143 ft (43.5 m)
Roadway width137 ft (41.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130,800 (2023)
Projected traffic183,120 by 2043
Trucks12%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 over S-46-1441 built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2000.

What condition is I-77 over S-46-1441 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 March 2024.

How much traffic does I-77 over S-46-1441 carry?

About 130,800 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-77 over S-46-1441?

The structure is 252 ft (76.8 m) long with a longest span of 127 ft (38.7 m) and a deck 143 ft wide.

Who owns I-77 over S-46-1441?

It is owned by the State Highway Agency.