US Bridges

US 221 over I-85

Poor

Spartanburg County, South Carolina · 4.8 MI NE Spartanburg · Structure no. 000000000008206

Built
1988
37 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
386 ft
4 main spans
Daily traffic
12,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 221 over I-85 is a steel continuous stringer/multi-beam or girder carrying US 221 over I-85 in Spartanburg County, South Carolina. It was built in 1988, so it is 37 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 12,900 vehicles a day, roughly 6% of them trucks, projected to reach 18,705 by 2043. The structure is 386 ft (117.7 m) long and 76 ft wide.

CarriesUS 221
CrossesI-85
Location4.8 MI NE Spartanburg
RouteU.S. Route 221
Coordinates35.01772, -81.89695
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 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 rating49.6 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length386 ft (117.7 m)
Longest span141 ft (43 m)
Deck width76 ft (23.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2023)
Projected traffic18,705 by 2043
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 221 over I-85 built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 221 over I-85 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does US 221 over I-85 carry?

About 12,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 221 over I-85?

The structure is 386 ft (117.7 m) long with a longest span of 141 ft (43 m) and a deck 76 ft wide.

Who owns US 221 over I-85?

It is owned by the State Highway Agency.