US Bridges

NC61 over I40 & I85

Fair

Guilford County, North Carolina · 1.1 Mi. S. Jct. US70 · Structure no. 000000000810150

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
4 main spans
Daily traffic
14,500
2021 count
Owner
State
State Highway Agency

About this bridge

NC61 over I40 & I85 is a prestressed concrete stringer/multi-beam or girder carrying NC61 over I40 & I85 in Guilford County, North Carolina. It was built in 1992, so it is 33 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 14,500 vehicles a day, roughly 7% of them trucks, projected to reach 29,000 by 2040. The structure is 232 ft (70.7 m) long and 51 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNC61
CrossesI40 & I85
Location1.1 Mi. S. Jct. US70
RouteState Highway 61
CountyGuilford County
StateNorth Carolina
Coordinates36.06199, -79.56605
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating81.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span81 ft (24.6 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2021)
Projected traffic29,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 km)
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 NC61 over I40 & I85 built?

It was built in 1992, making it 33 years old in 2025.

What condition is NC61 over I40 & I85 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 July 2024.

How much traffic does NC61 over I40 & I85 carry?

About 14,500 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC61 over I40 & I85?

The structure is 232 ft (70.7 m) long with a longest span of 81 ft (24.6 m) and a deck 51 ft wide.

Who owns NC61 over I40 & I85?

It is owned by the State Highway Agency.