US Bridges

S-1923 Proposed over I-77

Good

York County, South Carolina · City of Rock Hill · Structure no. 000000000010592

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
214 ft
1 main span
Daily traffic
225
2022 count
Owner
State
State Highway Agency

About this bridge

S-1923 Proposed over I-77 is a steel stringer/multi-beam or girder carrying S-1923 Proposed over I-77 in York County, South Carolina. It was built in 2023, so it is 2 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, projected to reach 299 by 2042. The structure is 214 ft (65.2 m) long and 127 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesS-1923 Proposed
CrossesI-77
LocationCity of Rock Hill
RouteState Highway 1923
Coordinates34.95833, -80.98028
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length214 ft (65.2 m)
Longest span214 ft (65.2 m)
Deck width127 ft (38.7 m)
Roadway width99 ft (30.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic299 by 2042
Trucks—
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-1923 Proposed over I-77 built?

It was built in 2023, making it 2 years old in 2025.

What condition is S-1923 Proposed over I-77 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does S-1923 Proposed over I-77 carry?

About 225 vehicles per day (2022 count).

How long is S-1923 Proposed over I-77?

The structure is 214 ft (65.2 m) long with a longest span of 214 ft (65.2 m) and a deck 127 ft wide.

Who owns S-1923 Proposed over I-77?

It is owned by the State Highway Agency.