US Bridges

S-335/VANHOE RD over Unnamed Stream

Fair

Colleton County, South Carolina · 1.2 MI SW Walterboro · Structure no. 000000000005922

Built
1971
54 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-335/VANHOE RD over Unnamed Stream is a concrete slab carrying S-335/VANHOE RD over Unnamed Stream in Colleton County, South Carolina. It was built in 1971, so it is 54 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 2,200 vehicles a day, roughly 3% of them trucks, projected to reach 3,102 by 2043. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-335/VANHOE RD
CrossesUnnamed Stream
Location1.2 MI SW Walterboro
RouteState Highway 335
Coordinates32.89132, -80.68516
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic3,102 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-335/VANHOE RD over Unnamed Stream built?

It was built in 1971, making it 54 years old in 2025.

What condition is S-335/VANHOE RD over Unnamed Stream 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 January 2025.

How much traffic does S-335/VANHOE RD over Unnamed Stream carry?

About 2,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-335/VANHOE RD over Unnamed Stream?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-335/VANHOE RD over Unnamed Stream?

It is owned by the State Highway Agency.