US Bridges

I85N US70E over US70W.BUS

Poor

Orange County, North Carolina · 0.6 Mi. N. Jct. SR1712 · Structure no. 000000001350110

Built
1958
67 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
3 main spans
Daily traffic
32,750
2022 count
Owner
State
State Highway Agency

About this bridge

I85N US70E over US70W.BUS is a steel stringer/multi-beam or girder carrying I85N US70E over US70W.BUS in Orange County, North Carolina. It was built in 1958, so it is 67 years old, older than the North Carolina average of 38.7 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 32,750 vehicles a day, roughly 16% of them trucks, projected to reach 65,500 by 2040. The structure is 188 ft (57.3 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85N US70E
CrossesUS70W.BUS
Location0.6 Mi. N. Jct. SR1712
RouteInterstate 85
Coordinates36.03837, -79.00857
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span65 ft (19.8 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,750 (2022)
Projected traffic65,500 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I85N US70E over US70W.BUS built?

It was built in 1958, making it 67 years old in 2025.

What condition is I85N US70E over US70W.BUS 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 January 2024.

How much traffic does I85N US70E over US70W.BUS carry?

About 32,750 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I85N US70E over US70W.BUS?

The structure is 188 ft (57.3 m) long with a longest span of 65 ft (19.8 m) and a deck 45 ft wide.

Who owns I85N US70E over US70W.BUS?

It is owned by the State Highway Agency.