US Bridges

I485 Sbl over NC27 CSX Railroad

Good

Mecklenburg County, North Carolina · 2.7 Mi. S. Jct. NC16 · Structure no. 000000001190946

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
440 ft
6 main spans
Daily traffic
35,000
2020 count
Owner
State
State Highway Agency

About this bridge

I485 Sbl over NC27 CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying I485 Sbl over NC27 CSX Railroad in Mecklenburg County, North Carolina. It was built in 2009, so it is 16 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,000 vehicles a day, roughly 16% of them trucks, projected to reach 70,000 by 2040. The structure is 440 ft (134.1 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI485 Sbl
CrossesNC27 CSX Railroad
Location2.7 Mi. S. Jct. NC16
RouteInterstate 485
Coordinates35.28878, -80.96467
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating78.9 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length440 ft (134.1 m)
Longest span91 ft (27.7 m)
Deck width66 ft (20.1 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2020)
Projected traffic70,000 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I485 Sbl over NC27 CSX Railroad built?

It was built in 2009, making it 16 years old in 2025.

What condition is I485 Sbl over NC27 CSX Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does I485 Sbl over NC27 CSX Railroad carry?

About 35,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I485 Sbl over NC27 CSX Railroad?

The structure is 440 ft (134.1 m) long with a longest span of 91 ft (27.7 m) and a deck 66 ft wide.

Who owns I485 Sbl over NC27 CSX Railroad?

It is owned by the State Highway Agency.