US Bridges

S-35-17 over Mcnairs Mill Pond

FairClosed to traffic

Marlboro County, South Carolina · 5 MI NE Bennettsville · Structure no. 000000000000739

Built
1936
89 years old, rebuilt 1947
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-35-17 over Mcnairs Mill Pond is a steel stringer/multi-beam or girder carrying S-35-17 over Mcnairs Mill Pond in Marlboro County, South Carolina. It was built in 1936 and reconstructed in 1947, so it is 89 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. Its operating status is: closed to all traffic.

It carries about 1,200 vehicles a day, roughly 3% of them trucks, projected to reach 1,668 by 2043. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-35-17
CrossesMcnairs Mill Pond
Location5 MI NE Bennettsville
RouteState Highway 17
Coordinates34.69536, -79.58749
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,668 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-35-17 over Mcnairs Mill Pond built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1947.

What condition is S-35-17 over Mcnairs Mill Pond 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 March 2023.

How much traffic does S-35-17 over Mcnairs Mill Pond carry?

About 1,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-35-17 over Mcnairs Mill Pond?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns S-35-17 over Mcnairs Mill Pond?

It is owned by the State Highway Agency.