US Bridges

NC51 Nbl over US74

Fair

Mecklenburg County, North Carolina · 0.8 Mi. N. Jct. SR5215 · Structure no. 000000001190668

Built
1995
30 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
193 ft
4 main spans
Daily traffic
29,000
2018 count
Owner
State
State Highway Agency

About this bridge

NC51 Nbl over US74 is a prestressed concrete stringer/multi-beam or girder carrying NC51 Nbl over US74 in Mecklenburg County, North Carolina. It was built in 1995, so it is 30 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 29,000 vehicles a day, roughly 12% of them trucks, projected to reach 58,000 by 2040. The structure is 193 ft (58.8 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNC51 Nbl
CrossesUS74
Location0.8 Mi. N. Jct. SR5215
RouteState Highway 51
CountyMecklenburg County
StateNorth Carolina
Coordinates35.12572, -80.70539
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span60 ft (18.2 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2018)
Projected traffic58,000 by 2040
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC51 Nbl over US74 built?

It was built in 1995, making it 30 years old in 2025.

What condition is NC51 Nbl 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 March 2023.

How much traffic does NC51 Nbl over US74 carry?

About 29,000 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is NC51 Nbl over US74?

The structure is 193 ft (58.8 m) long with a longest span of 60 ft (18.2 m) and a deck 45 ft wide.

Who owns NC51 Nbl over US74?

It is owned by the State Highway Agency.