US Bridges

S-4-933 over Millwee Creek

Good

Anderson County, South Carolina · 9.5MI NW Anderson · Structure no. 000000000000108

Built
1920
105 years old, rebuilt 1972
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-933 over Millwee Creek is a concrete culvert carrying S-4-933 over Millwee Creek in Anderson County, South Carolina. It was built in 1920 and reconstructed in 1972, so it is 105 years old, older 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 1,750 vehicles a day, roughly 5% of them trucks, projected to reach 2,240 by 2043. The structure is 23 ft (7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-4-933
CrossesMillwee Creek
Location9.5MI NW Anderson
RouteState Highway 933
Coordinates34.60582, -82.76118
Functional classUrban Local

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic2,240 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-4-933 over Millwee Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1972.

What condition is S-4-933 over Millwee 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-4-933 over Millwee Creek carry?

About 1,750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-4-933 over Millwee Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 46 ft wide.

Who owns S-4-933 over Millwee Creek?

It is owned by the State Highway Agency.