US Bridges

I277 & NC16 over North College Street

Poor

Mecklenburg County, North Carolina · 0.84 MI.N.JCT.US74 Wbl · Structure no. 000000001190326

Built
1967
58 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
3 main spans
Daily traffic
84,000
2020 count
Owner
State
State Highway Agency

About this bridge

I277 & NC16 over North College Street is a steel stringer/multi-beam or girder carrying I277 & NC16 over North College Street in Mecklenburg County, North Carolina. It was built in 1967, so it is 58 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 84,000 vehicles a day, roughly 16% of them trucks, projected to reach 168,000 by 2040. The structure is 138 ft (42 m) long and 127 ft wide.

CarriesI277 & NC16
CrossesNorth College Street
Location0.84 MI.N.JCT.US74 Wbl
RouteInterstate 277
Coordinates35.23214, -80.83375
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length138 ft (42 m)
Longest span67 ft (20.4 m)
Deck width127 ft (38.8 m)
Roadway width120 ft (36.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,000 (2020)
Projected traffic168,000 by 2040
Trucks16%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I277 & NC16 over North College Street built?

It was built in 1967, making it 58 years old in 2025.

What condition is I277 & NC16 over North College Street in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does I277 & NC16 over North College Street carry?

About 84,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I277 & NC16 over North College Street?

The structure is 138 ft (42 m) long with a longest span of 67 ft (20.4 m) and a deck 127 ft wide.

Who owns I277 & NC16 over North College Street?

It is owned by the State Highway Agency.