US Bridges

S-4-57 over Big Garvan Creek

Good

Anderson County, South Carolina · 3.9MI NE Pendleton · Structure no. 000000000009300

Built
1998
27 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
350
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-57 over Big Garvan Creek is a prestressed concrete slab carrying S-4-57 over Big Garvan Creek in Anderson County, South Carolina. It was built in 1998, so it is 27 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 511 by 2043. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-4-57
CrossesBig Garvan Creek
Location3.9MI NE Pendleton
RouteState Highway 57
Coordinates34.66904, -82.71731
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating92.5 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic511 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-57 over Big Garvan Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is S-4-57 over Big Garvan 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 December 2024.

How much traffic does S-4-57 over Big Garvan Creek carry?

About 350 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-4-57 over Big Garvan Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns S-4-57 over Big Garvan Creek?

It is owned by the State Highway Agency.