US Bridges

C-46-704 over Trib of Crawford Lake

Good

York County, South Carolina · 7.0 MI NW Clover · Structure no. 000000000006949

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
250
2023 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

C-46-704 over Trib of Crawford Lake is a concrete culvert carrying C-46-704 over Trib of Crawford Lake in York County, South Carolina. It was built in 2017, so it is 8 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesC-46-704
CrossesTrib of Crawford Lake
Location7.0 MI NW Clover
RouteCounty Highway 704
Coordinates35.15111, -81.3385
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic320 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-46-704 over Trib of Crawford Lake built?

It was built in 2017, making it 8 years old in 2025.

What condition is C-46-704 over Trib of Crawford Lake in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does C-46-704 over Trib of Crawford Lake carry?

About 250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-46-704 over Trib of Crawford Lake?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns C-46-704 over Trib of Crawford Lake?

It is owned by the State Park, Forest, or Reservation Agency.