US Bridges

S-40-326 over Sc 277

Good

Richland County, South Carolina · 2 MI N of Columbia · Structure no. 000000000006372

Built
1973
52 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
4 main spans
Daily traffic
950
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-326 over Sc 277 is a steel stringer/multi-beam or girder carrying S-40-326 over Sc 277 in Richland County, South Carolina. It was built in 1973, so it is 52 years old, older 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 950 vehicles a day, roughly 5% of them trucks, projected to reach 1,216 by 2043. The structure is 240 ft (73.2 m) long and 50 ft wide.

CarriesS-40-326
CrossesSc 277
Location2 MI N of Columbia
RouteState Highway 326
Coordinates34.03259, -81.03143
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span82 ft (25 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic1,216 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-40-326 over Sc 277 built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-40-326 over Sc 277 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 February 2023.

How much traffic does S-40-326 over Sc 277 carry?

About 950 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-40-326 over Sc 277?

The structure is 240 ft (73.2 m) long with a longest span of 82 ft (25 m) and a deck 50 ft wide.

Who owns S-40-326 over Sc 277?

It is owned by the State Highway Agency.