US Bridges

S-21-836 over Jefferies Creek

Fair

Florence County, South Carolina · Wisteria DR - Florence · Structure no. 000000000004538

Built
1965
60 years old, rebuilt 1992
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
105 ft
7 main spans
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

S-21-836 over Jefferies Creek is a concrete slab carrying S-21-836 over Jefferies Creek in Florence County, South Carolina. It was built in 1965 and reconstructed in 1992, so it is 60 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 850 vehicles a day, roughly 1% of them trucks, projected to reach 510 by 2043. The structure is 105 ft (32 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-21-836
CrossesJefferies Creek
LocationWisteria DR - Florence
RouteState Highway 836
Coordinates34.17367, -79.79561
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 adequacy6: Equal to present minimum 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 spans7
Design loadH 10
Structure length105 ft (32 m)
Longest span15 ft (4.6 m)
Deck width39 ft (12 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic510 by 2043
Trucks1%
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 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-21-836 over Jefferies Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1992.

What condition is S-21-836 over Jefferies 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 April 2024.

How much traffic does S-21-836 over Jefferies Creek carry?

About 850 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is S-21-836 over Jefferies Creek?

The structure is 105 ft (32 m) long with a longest span of 15 ft (4.6 m) and a deck 39 ft wide.

Who owns S-21-836 over Jefferies Creek?

It is owned by the State Highway Agency.