US Bridges

S-45-74 over Hell Hole Branch

Good

Williamsburg County, South Carolina · 4.0 MI S Nesmith · Structure no. 000000000004895

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-45-74 over Hell Hole Branch is a prestressed concrete slab carrying S-45-74 over Hell Hole Branch in Williamsburg County, South Carolina. It was built in 2016, so it is 9 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 125 vehicles a day, roughly 8% of them trucks, projected to reach 174 by 2043. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-45-74
CrossesHell Hole Branch
Location4.0 MI S Nesmith
RouteState Highway 74
CountyWilliamsburg County
StateSouth Carolina
Coordinates33.60934, -79.54537
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic174 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-45-74 over Hell Hole Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is S-45-74 over Hell Hole Branch 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 September 2023.

How much traffic does S-45-74 over Hell Hole Branch carry?

About 125 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-45-74 over Hell Hole Branch?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns S-45-74 over Hell Hole Branch?

It is owned by the State Highway Agency.