US Bridges

SR1601 over I485

Fair

Mecklenburg County, North Carolina · 1.6 Mi. E. Jct. I85 · Structure no. 000000001190945

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
2 main spans
Daily traffic
14,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1601 over I485 is a steel continuous stringer/multi-beam or girder carrying SR1601 over I485 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 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 14,000 vehicles a day, roughly 7% of them trucks, projected to reach 28,000 by 2040. The structure is 225 ft (68.5 m) long and 42 ft wide.

CarriesSR1601
CrossesI485
Location1.6 Mi. E. Jct. I85
RouteState Highway 1601
Coordinates35.27371, -80.96612
Functional classUrban Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length225 ft (68.5 m)
Longest span114 ft (34.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic14,000 (2021)
Projected traffic28,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SR1601 over I485 built?

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

What condition is SR1601 over I485 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 September 2023.

How much traffic does SR1601 over I485 carry?

About 14,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1601 over I485?

The structure is 225 ft (68.5 m) long with a longest span of 114 ft (34.7 m) and a deck 42 ft wide.

Who owns SR1601 over I485?

It is owned by the State Highway Agency.