US Bridges

S-40-1036 over I-20

Fair

Richland County, South Carolina · 7 MI NE of Columbia · Structure no. 000000000004657

Built
1965
60 years old, rebuilt 1978
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
4 main spans
Daily traffic
17,800
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-1036 over I-20 is a steel stringer/multi-beam or girder carrying S-40-1036 over I-20 in Richland County, South Carolina. It was built in 1965 and reconstructed in 1978, so it is 60 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,800 vehicles a day, roughly 1% of them trucks, projected to reach 24,030 by 2043. The structure is 220 ft (67.1 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-40-1036
CrossesI-20
Location7 MI NE of Columbia
RouteState Highway 1036
CountyRichland County
StateSouth Carolina
Coordinates34.07398, -80.95881
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length220 ft (67.1 m)
Longest span55 ft (16.8 m)
Deck width76 ft (23.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2023)
Projected traffic24,030 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$116,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-40-1036 over I-20 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1978.

What condition is S-40-1036 over I-20 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 February 2023.

How much traffic does S-40-1036 over I-20 carry?

About 17,800 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is S-40-1036 over I-20?

The structure is 220 ft (67.1 m) long with a longest span of 55 ft (16.8 m) and a deck 76 ft wide.

Who owns S-40-1036 over I-20?

It is owned by the State Highway Agency.