US Bridges

I-85 Nbl over Brushy Creek

Fair

Anderson County, South Carolina · 8.0MI N of Williamston · Structure no. 000000000004249

Built
1964
61 years old, rebuilt 1987
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
180 ft
6 main spans
Daily traffic
44,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 Nbl over Brushy Creek is a concrete tee beam carrying I-85 Nbl over Brushy Creek in Anderson County, South Carolina. It was built in 1964 and reconstructed in 1987, so it is 61 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 44,900 vehicles a day, roughly 27% of them trucks, projected to reach 64,207 by 2043. The structure is 180 ft (54.9 m) long and 61 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-85 Nbl
CrossesBrushy Creek
Location8.0MI N of Williamston
RouteInterstate 85
CountyAnderson County
StateSouth Carolina
Coordinates34.73483, -82.48742
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,900 (2023)
Projected traffic64,207 by 2043
Trucks27%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 Nbl over Brushy Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1987.

What condition is I-85 Nbl over Brushy Creek 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 November 2024.

How much traffic does I-85 Nbl over Brushy Creek carry?

About 44,900 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I-85 Nbl over Brushy Creek?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 61 ft wide.

Who owns I-85 Nbl over Brushy Creek?

It is owned by the State Highway Agency.