US Bridges

S-4-58 over Millwee Creek

Fair

Anderson County, South Carolina · 8.6MI NW Anderson · Structure no. 000000000006836

Built
1976
49 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
950
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-58 over Millwee Creek is a concrete slab carrying S-4-58 over Millwee Creek in Anderson County, South Carolina. It was built in 1976, so it is 49 years old, older 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 950 vehicles a day, roughly 7% of them trucks, projected to reach 1,169 by 2043. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-4-58
CrossesMillwee Creek
Location8.6MI NW Anderson
RouteState Highway 58
Coordinates34.60886, -82.72854
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic1,169 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-4-58 over Millwee Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is S-4-58 over Millwee 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 January 2025.

How much traffic does S-4-58 over Millwee Creek carry?

About 950 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-4-58 over Millwee Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-4-58 over Millwee Creek?

It is owned by the State Highway Agency.