US Bridges

I40 I85 over NC49

Fair

Alamance County, North Carolina · 1.8 Mi. S. Jct. NC87 · Structure no. 000000000010120

Built
1993
32 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
4 main spans
Daily traffic
3,800
2021 count
Owner
State
State Highway Agency

About this bridge

I40 I85 over NC49 is a prestressed concrete stringer/multi-beam or girder carrying I40 I85 over NC49 in Alamance County, North Carolina. It was built in 1993, so it is 32 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 3,800 vehicles a day, roughly 16% of them trucks, projected to reach 7,600 by 2040. The structure is 158 ft (48.1 m) long and 149 ft wide.

CarriesI40 I85
CrossesNC49
Location1.8 Mi. S. Jct. NC87
RouteInterstate 40
Coordinates36.06376, -79.43115
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
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 rating85 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length158 ft (48.1 m)
Longest span53 ft (16.1 m)
Deck width149 ft (45.4 m)
Roadway width144 ft (43.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2021)
Projected traffic7,600 by 2040
Trucks16%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 I85 over NC49 built?

It was built in 1993, making it 32 years old in 2025.

What condition is I40 I85 over NC49 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 January 2025.

How much traffic does I40 I85 over NC49 carry?

About 3,800 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I40 I85 over NC49?

The structure is 158 ft (48.1 m) long with a longest span of 53 ft (16.1 m) and a deck 149 ft wide.

Who owns I40 I85 over NC49?

It is owned by the State Highway Agency.