US Bridges

S-40-2386 over Unnamed Stream

Good

Richland County, South Carolina · 1 MI SW of Pontiac · Structure no. 000000000009259

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-2386 over Unnamed Stream is a concrete slab carrying S-40-2386 over Unnamed Stream in Richland County, South Carolina. It was built in 1997, so it is 28 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 768 by 2043. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-40-2386
CrossesUnnamed Stream
Location1 MI SW of Pontiac
RouteState Highway 2386
CountyRichland County
StateSouth Carolina
Coordinates34.11556, -80.86193
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic768 by 2043
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-40-2386 over Unnamed Stream built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-40-2386 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 November 2024.

How much traffic does S-40-2386 over Unnamed Stream carry?

About 600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-40-2386 over Unnamed Stream?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-40-2386 over Unnamed Stream?

It is owned by the State Highway Agency.