US Bridges

I40 & I85 over SR1120

Good

Orange County, North Carolina · 3.1 Mi. E. Jct. SR1114 · Structure no. 000000001350044

Built
1996
29 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
115,000
2022 count
Owner
State
State Highway Agency

About this bridge

I40 & I85 over SR1120 is a steel stringer/multi-beam or girder carrying I40 & I85 over SR1120 in Orange County, North Carolina. It was built in 1996, so it is 29 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 115,000 vehicles a day, roughly 23% of them trucks, projected to reach 230,000 by 2040. The structure is 118 ft (35.9 m) long and 149 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 & I85
CrossesSR1120
Location3.1 Mi. E. Jct. SR1114
RouteInterstate 40
Coordinates36.07346, -79.1698
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length118 ft (35.9 m)
Longest span114 ft (34.7 m)
Deck width149 ft (45.4 m)
Roadway width144 ft (43.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,000 (2022)
Projected traffic230,000 by 2040
Trucks23%
Lanes on structure8
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 & I85 over SR1120 built?

It was built in 1996, making it 29 years old in 2025.

What condition is I40 & I85 over SR1120 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 December 2024.

How much traffic does I40 & I85 over SR1120 carry?

About 115,000 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I40 & I85 over SR1120?

The structure is 118 ft (35.9 m) long with a longest span of 114 ft (34.7 m) and a deck 149 ft wide.

Who owns I40 & I85 over SR1120?

It is owned by the State Highway Agency.