US Bridges

Sc 187 NB over I-85

Fair

Anderson County, South Carolina · 9.5 MI NW of Anderson · Structure no. 000000000003794

Built
1962
63 years old, rebuilt 1984
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
5,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 187 NB over I-85 is a prestressed concrete stringer/multi-beam or girder carrying Sc 187 NB over I-85 in Anderson County, South Carolina. It was built in 1962 and reconstructed in 1984, so it is 63 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 5,800 vehicles a day, roughly 9% of them trucks, projected to reach 7,134 by 2043. The structure is 252 ft (76.8 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesSc 187 NB
CrossesI-85
Location9.5 MI NW of Anderson
RouteState Highway 187
CountyAnderson County
StateSouth Carolina
Coordinates34.54703, -82.80719
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length252 ft (76.8 m)
Longest span63 ft (19.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2023)
Projected traffic7,134 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Sc 187 NB over I-85 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1984.

What condition is Sc 187 NB over I-85 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 January 2024.

How much traffic does Sc 187 NB over I-85 carry?

About 5,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 187 NB over I-85?

The structure is 252 ft (76.8 m) long with a longest span of 63 ft (19.2 m) and a deck 32 ft wide.

Who owns Sc 187 NB over I-85?

It is owned by the State Highway Agency.