US Bridges

S-31-37 over Unnamed Stream

Good

Lee County, South Carolina · 11 MI SW of Bishopville · Structure no. 000000000008655

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

S-31-37 over Unnamed Stream is a prestressed concrete slab carrying S-31-37 over Unnamed Stream in Lee County, South Carolina. It was built in 1993, so it is 32 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 7 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 12% of them trucks, projected to reach 365 by 2043. The structure is 60 ft (18.3 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-31-37
CrossesUnnamed Stream
Location11 MI SW of Bishopville
RouteState Highway 37
Coordinates34.09847, -80.37359
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic365 by 2043
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-31-37 over Unnamed Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is S-31-37 over Unnamed Stream 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 July 2023.

How much traffic does S-31-37 over Unnamed Stream carry?

About 250 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is S-31-37 over Unnamed Stream?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns S-31-37 over Unnamed Stream?

It is owned by the State Highway Agency.