US Bridges

S-45-48 over Br-Mt. Hope Swp

Fair

Williamsburg County, South Carolina · 3.0 MI SW Greeleyville · Structure no. 000000000003764

Built
1961
64 years old, rebuilt 1997
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
42 ft
3 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

S-45-48 over Br-Mt. Hope Swp is a concrete slab carrying S-45-48 over Br-Mt. Hope Swp in Williamsburg County, South Carolina. It was built in 1961 and reconstructed in 1997, so it is 64 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 600 vehicles a day, roughly 9% of them trucks, projected to reach 876 by 2043. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesS-45-48
CrossesBr-Mt. Hope Swp
Location3.0 MI SW Greeleyville
RouteState Highway 48
CountyWilliamsburg County
StateSouth Carolina
Coordinates33.53825, -80.04985
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic876 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-45-48 over Br-Mt. Hope Swp built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1997.

What condition is S-45-48 over Br-Mt. Hope Swp 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 August 2023.

How much traffic does S-45-48 over Br-Mt. Hope Swp carry?

About 600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-45-48 over Br-Mt. Hope Swp?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 28 ft wide.

Who owns S-45-48 over Br-Mt. Hope Swp?

It is owned by the State Highway Agency.