US Bridges

Ramp Off I-77 NB over Trib of Big Cedar Creek

Good

Fairfield County, South Carolina · 2.5 MI SW of Ridgeway · Structure no. 000000000009904

Built
2006
19 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
150 ft
5 main spans
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp Off I-77 NB over Trib of Big Cedar Creek is a concrete continuous slab carrying Ramp Off I-77 NB over Trib of Big Cedar Creek in Fairfield County, South Carolina. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,800 vehicles a day, roughly 19% of them trucks, projected to reach 3,798 by 2043. The structure is 150 ft (45.7 m) long and 39 ft wide.

CarriesRamp Off I-77 NB
CrossesTrib of Big Cedar Creek
Location2.5 MI SW of Ridgeway
RouteInterstate 77
Coordinates34.28172, -80.99506
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic3,798 by 2043
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp Off I-77 NB over Trib of Big Cedar Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ramp Off I-77 NB over Trib of Big Cedar Creek 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 June 2024.

How much traffic does Ramp Off I-77 NB over Trib of Big Cedar Creek carry?

About 1,800 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Ramp Off I-77 NB over Trib of Big Cedar Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns Ramp Off I-77 NB over Trib of Big Cedar Creek?

It is owned by the State Highway Agency.