US Bridges

I-185 NB over CSXT &ns RR

Good

Greenville County, South Carolina · South of Greenville · Structure no. 000000000009614

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
229 ft
2 main spans
Daily traffic
3,850
2023 count
Owner
State
State Highway Agency

About this bridge

I-185 NB over CSXT &ns RR is a prestressed concrete continuous stringer/multi-beam or girder carrying I-185 NB over CSXT &ns RR in Greenville County, South Carolina. It was built in 2000, so it is 25 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,850 vehicles a day, roughly 11% of them trucks, projected to reach 5,506 by 2043. The structure is 229 ft (69.8 m) long and 49 ft wide.

CarriesI-185 NB
CrossesCSXT &ns RR
LocationSouth of Greenville
RouteInterstate 185
Coordinates34.74357, -82.43806
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length229 ft (69.8 m)
Longest span117 ft (35.7 m)
Deck width49 ft (14.8 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2023)
Projected traffic5,506 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a toll 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-185 NB over CSXT &ns RR built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-185 NB over CSXT &ns RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does I-185 NB over CSXT &ns RR carry?

About 3,850 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-185 NB over CSXT &ns RR?

The structure is 229 ft (69.8 m) long with a longest span of 117 ft (35.7 m) and a deck 49 ft wide.

Who owns I-185 NB over CSXT &ns RR?

It is owned by the State Highway Agency.