US Bridges

S-44-30 over Big Browns Creek

Good

Union County, South Carolina · 4.9 MI N Union · Structure no. 000000000008215

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

S-44-30 over Big Browns Creek is a prestressed concrete stringer/multi-beam or girder carrying S-44-30 over Big Browns Creek in Union County, South Carolina. It was built in 1988, so it is 37 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 600 vehicles a day, roughly 3% of them trucks, projected to reach 834 by 2043. The structure is 110 ft (33.5 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-44-30
CrossesBig Browns Creek
Location4.9 MI N Union
RouteState Highway 30
Coordinates34.77086, -81.62293
Functional classRural Minor 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic834 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-44-30 over Big Browns Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is S-44-30 over Big Browns 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 June 2023.

How much traffic does S-44-30 over Big Browns Creek carry?

About 600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-44-30 over Big Browns Creek?

The structure is 110 ft (33.5 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns S-44-30 over Big Browns Creek?

It is owned by the State Highway Agency.