US Bridges

I-77 over Center Creek

Good

Fairfield County, South Carolina · 0.1 MI N-Richland Co. · Structure no. 000000000007105

Built
1978
47 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
53,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-77 over Center Creek is a concrete culvert carrying I-77 over Center Creek in Fairfield County, South Carolina. It was built in 1978, so it is 47 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 53,600 vehicles a day, roughly 18% of them trucks, projected to reach 102,912 by 2043. The structure is 35 ft (10.8 m) long and 303 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI-77
CrossesCenter Creek
Location0.1 MI N-Richland Co.
RouteInterstate 77
Coordinates34.24418, -80.99947
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating68.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length35 ft (10.8 m)
Longest span12 ft (3.7 m)
Deck width303 ft (92.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,600 (2023)
Projected traffic102,912 by 2043
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 over Center Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is I-77 over Center 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 I-77 over Center Creek carry?

About 53,600 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-77 over Center Creek?

The structure is 35 ft (10.8 m) long with a longest span of 12 ft (3.7 m) and a deck 303 ft wide.

Who owns I-77 over Center Creek?

It is owned by the State Highway Agency.