US Bridges

I-77 over Dutchmans Creek

Fair

Fairfield County, South Carolina · 1.0 MI N of Sc 34 · Structure no. 000000000007107

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
48,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-77 over Dutchmans Creek is a concrete culvert carrying I-77 over Dutchmans 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 fair condition with a lowest component rating of 6 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 48,900 vehicles a day, roughly 22% of them trucks, projected to reach 93,888 by 2043. The structure is 24 ft (7.3 m) long and 316 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesI-77
CrossesDutchmans Creek
Location1.0 MI N of Sc 34
RouteInterstate 77
CountyFairfield County
StateSouth Carolina
Coordinates34.32726, -81.00529
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width316 ft (96.3 m)
Roadway width150 ft (45.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,900 (2023)
Projected traffic93,888 by 2043
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Dutchmans Creek built?

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

What condition is I-77 over Dutchmans Creek 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 June 2024.

How much traffic does I-77 over Dutchmans Creek carry?

About 48,900 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-77 over Dutchmans Creek?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m) and a deck 316 ft wide.

Who owns I-77 over Dutchmans Creek?

It is owned by the State Highway Agency.