US Bridges

S-17-30 over Beaver Dam Creek

Good

Dillon County, South Carolina · 6.0 MI E Dillon · Structure no. 000000000003251

Built
2014
11 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

S-17-30 over Beaver Dam Creek is a prestressed concrete slab carrying S-17-30 over Beaver Dam Creek in Dillon County, South Carolina. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 9% of them trucks, projected to reach 548 by 2043. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesS-17-30
CrossesBeaver Dam Creek
Location6.0 MI E Dillon
RouteState Highway 30
Coordinates34.41878, -79.22686
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic548 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-17-30 over Beaver Dam Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is S-17-30 over Beaver Dam 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 February 2024.

How much traffic does S-17-30 over Beaver Dam Creek carry?

About 375 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-17-30 over Beaver Dam Creek?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-17-30 over Beaver Dam Creek?

It is owned by the State Highway Agency.