US Bridges

NC51 over Sugar Creek

Fair

Mecklenburg County, North Carolina · 50 Ft. N. Jct. SR3645 · Structure no. 000000001190025

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
19,500
2022 count
Owner
State
State Highway Agency

About this bridge

NC51 over Sugar Creek is a prestressed concrete stringer/multi-beam or girder carrying NC51 over Sugar Creek in Mecklenburg County, North Carolina. It was built in 1968, so it is 57 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 5 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 19,500 vehicles a day, roughly 6% of them trucks, projected to reach 39,000 by 2040. The structure is 166 ft (50.5 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNC51
CrossesSugar Creek
Location50 Ft. N. Jct. SR3645
RouteState Highway 51
Coordinates35.09065, -80.89935
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.5 m)
Longest span54 ft (16.4 m)
Deck width48 ft (14.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2022)
Projected traffic39,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC51 over Sugar Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is NC51 over Sugar Creek 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 August 2024.

How much traffic does NC51 over Sugar Creek carry?

About 19,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NC51 over Sugar Creek?

The structure is 166 ft (50.5 m) long with a longest span of 54 ft (16.4 m) and a deck 48 ft wide.

Who owns NC51 over Sugar Creek?

It is owned by the State Highway Agency.