US Bridges

S-42-31 over Sou RR

Fair

Spartanburg County, South Carolina · 2MI NE of Spartanburg · Structure no. 000000000004213

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
3 main spans
Daily traffic
6,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-31 over Sou RR is a steel stringer/multi-beam or girder carrying S-42-31 over Sou RR in Spartanburg County, South Carolina. It was built in 1963, so it is 62 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 6 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 6,900 vehicles a day, roughly 3% of them trucks, projected to reach 10,005 by 2043. The structure is 240 ft (73.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-42-31
CrossesSou RR
Location2MI NE of Spartanburg
RouteState Highway 31
Coordinates34.96749, -81.9062
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width41 ft (12.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2023)
Projected traffic10,005 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-42-31 over Sou RR built?

It was built in 1963, making it 62 years old in 2025.

What condition is S-42-31 over Sou RR 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 June 2023.

How much traffic does S-42-31 over Sou RR carry?

About 6,900 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-42-31 over Sou RR?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 41 ft wide.

Who owns S-42-31 over Sou RR?

It is owned by the State Highway Agency.