US Bridges

S-2-809 over Big Horse Creek

PoorPosted for load

Aiken County, South Carolina · At Granitville · Structure no. 000000000001668

Built
1950
75 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
2 main spans
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

S-2-809 over Big Horse Creek is a steel stringer/multi-beam or girder carrying S-2-809 over Big Horse Creek in Aiken County, South Carolina. It was built in 1950, so it is 75 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,650 vehicles a day, roughly 5% of them trucks, projected to reach 2,112 by 2043. The structure is 48 ft (14.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-2-809
CrossesBig Horse Creek
LocationAt Granitville
RouteState Highway 809
Coordinates33.5662, -81.80981
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width33 ft (10.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic2,112 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-2-809 over Big Horse Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is S-2-809 over Big Horse Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does S-2-809 over Big Horse Creek carry?

About 1,650 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-2-809 over Big Horse Creek?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 33 ft wide.

Who owns S-2-809 over Big Horse Creek?

It is owned by the State Highway Agency.