US Bridges

S-44-600 over Mill Creek

FairPosted for load

Union County, South Carolina · 3.1 MI N Jonesville · Structure no. 000000000005870

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
120 ft
8 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-44-600 over Mill Creek is a concrete slab carrying S-44-600 over Mill Creek in Union County, South Carolina. It was built in 1970, so it is 55 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS-44-600
CrossesMill Creek
Location3.1 MI N Jonesville
RouteState Highway 600
CountyUnion County
StateSouth Carolina
Coordinates34.88333, -81.67778
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 10
Structure length120 ft (36.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-44-600 over Mill Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is S-44-600 over Mill 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 S-44-600 over Mill Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-44-600 over Mill Creek?

The structure is 120 ft (36.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-44-600 over Mill Creek?

It is owned by the State Highway Agency.