US Bridges

NC24 over I85

Fair

Mecklenburg County, North Carolina · 0.33 Mi. E. Jct. SR2699 · Structure no. 000000001190294

Built
1970
55 years old, rebuilt 1989
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
300 ft
4 main spans
Daily traffic
57,500
2022 count
Owner
State
State Highway Agency

About this bridge

NC24 over I85 is a steel stringer/multi-beam or girder carrying NC24 over I85 in Mecklenburg County, North Carolina. It was built in 1970 and reconstructed in 1989, so it is 55 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 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 57,500 vehicles a day, roughly 12% of them trucks, projected to reach 115,000 by 2040. The structure is 300 ft (91.4 m) long and 127 ft wide.

Location

Open in Google Maps
CarriesNC24
CrossesI85
Location0.33 Mi. E. Jct. SR2699
RouteState Highway 24
CountyMecklenburg County
StateNorth Carolina
Coordinates35.3118, -80.75856
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating59 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length300 ft (91.4 m)
Longest span110 ft (33.5 m)
Deck width127 ft (38.6 m)
Roadway width124 ft (37.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,500 (2022)
Projected traffic115,000 by 2040
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 NC24 over I85 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1989.

What condition is NC24 over 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 May 2024.

How much traffic does NC24 over I85 carry?

About 57,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NC24 over I85?

The structure is 300 ft (91.4 m) long with a longest span of 110 ft (33.5 m) and a deck 127 ft wide.

Who owns NC24 over I85?

It is owned by the State Highway Agency.