US Bridges

S-13-45 over Rocky Creek

PoorPosted for load

Chesterfield County, South Carolina · 5 MI SE Jefferson · Structure no. 000000000007227

Built
1979
46 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-13-45 over Rocky Creek is a concrete slab carrying S-13-45 over Rocky Creek in Chesterfield County, South Carolina. It was built in 1979, so it is 46 years old, younger 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 550 vehicles a day, roughly 6% of them trucks, projected to reach 803 by 2024. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-13-45
CrossesRocky Creek
Location5 MI SE Jefferson
RouteState Highway 45
Coordinates34.60861, -80.32417
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating15.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic803 by 2024
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$66,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-13-45 over Rocky Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is S-13-45 over Rocky 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 August 2024.

How much traffic does S-13-45 over Rocky Creek carry?

About 550 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-13-45 over Rocky Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-13-45 over Rocky Creek?

It is owned by the State Highway Agency.