US Bridges

I-85 over Trib Laurel Crk

Poor

Greenville County, South Carolina · 4.9 MI E of Greenville · Structure no. 000000000003290

Built
1960
65 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
113,800
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 over Trib Laurel Crk is a concrete culvert carrying I-85 over Trib Laurel Crk in Greenville County, South Carolina. It was built in 1960, so it is 65 years old, older 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 113,800 vehicles a day, roughly 20% of them trucks, projected to reach 162,734 by 2043. The structure is 23 ft (6.9 m) long and 166 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85
CrossesTrib Laurel Crk
Location4.9 MI E of Greenville
RouteInterstate 85
Coordinates34.81684, -82.32482
Functional classUrban Principal Arterial - Interstate

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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width166 ft (50.6 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113,800 (2023)
Projected traffic162,734 by 2043
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$79,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 over Trib Laurel Crk built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-85 over Trib Laurel Crk 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 April 2024.

How much traffic does I-85 over Trib Laurel Crk carry?

About 113,800 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I-85 over Trib Laurel Crk?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 166 ft wide.

Who owns I-85 over Trib Laurel Crk?

It is owned by the State Highway Agency.