US Bridges

S-12-840 over Rodens Creek

FairPosted for load

Chester County, South Carolina · 10.5MI NW Chester · Structure no. 000000000004966

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
75
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-840 over Rodens Creek is a concrete slab carrying S-12-840 over Rodens Creek in Chester County, South Carolina. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 96 by 2024. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-12-840
CrossesRodens Creek
Location10.5MI NW Chester
RouteState Highway 840
Coordinates34.76194, -81.38389
Functional classRural Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic96 by 2024
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-12-840 over Rodens Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is S-12-840 over Rodens Creek 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 September 2024.

How much traffic does S-12-840 over Rodens Creek carry?

About 75 vehicles per day (2023 count).

How long is S-12-840 over Rodens Creek?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-12-840 over Rodens Creek?

It is owned by the State Highway Agency.