US Bridges

Conference Drive over US74

Fair

Mecklenburg County, North Carolina · 0.2 Mi. S. Jct. SR3143 · Structure no. 000000001191173

Built
2014
11 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
2 main spans
Daily traffic
7,900
2022 count
Owner
State
State Highway Agency

About this bridge

Conference Drive over US74 is a steel continuous stringer/multi-beam or girder carrying Conference Drive over US74 in Mecklenburg County, North Carolina. It was built in 2014, so it is 11 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 7,900 vehicles a day, roughly 7% of them trucks, projected to reach 15,800 by 2040. The structure is 258 ft (78.6 m) long and 91 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesConference Drive
CrossesUS74
Location0.2 Mi. S. Jct. SR3143
RouteCity Street 0
CountyMecklenburg County
StateNorth Carolina
Coordinates35.18055, -80.75376
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 rating95.9 US tons
Inventory rating74 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length258 ft (78.6 m)
Longest span126 ft (38.4 m)
Deck width91 ft (27.8 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2022)
Projected traffic15,800 by 2040
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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 Conference Drive over US74 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Conference Drive over US74 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 October 2024.

How much traffic does Conference Drive over US74 carry?

About 7,900 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Conference Drive over US74?

The structure is 258 ft (78.6 m) long with a longest span of 126 ft (38.4 m) and a deck 91 ft wide.

Who owns Conference Drive over US74?

It is owned by the State Highway Agency.