US Bridges

S-36-56 over Big Beaver Dam

Fair

Newberry County, South Carolina · 3.6 MI NW Newberry · Structure no. 000000000006167

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
105 ft
7 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-36-56 over Big Beaver Dam is a concrete slab carrying S-36-56 over Big Beaver Dam in Newberry County, South Carolina. It was built in 1972, so it is 53 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.

It carries about 550 vehicles a day, roughly 9% of them trucks, projected to reach 803 by 2043. The structure is 105 ft (32 m) long and 33 ft wide.

CarriesS-36-56
CrossesBig Beaver Dam
Location3.6 MI NW Newberry
RouteState Highway 56
Coordinates34.29472, -81.67611
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 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 spans7
Design loadH 10
Structure length105 ft (32 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic803 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-36-56 over Big Beaver Dam built?

It was built in 1972, making it 53 years old in 2025.

What condition is S-36-56 over Big Beaver Dam 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 July 2024.

How much traffic does S-36-56 over Big Beaver Dam carry?

About 550 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-36-56 over Big Beaver Dam?

The structure is 105 ft (32 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-36-56 over Big Beaver Dam?

It is owned by the State Highway Agency.