US Bridges

SR3624 over I485

Good

Mecklenburg County, North Carolina · 0.3 Mi. E. Jct. SR3649 · Structure no. 000000001190667

Built
1995
30 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
2 main spans
Daily traffic
48,500
2018 count
Owner
State
State Highway Agency

About this bridge

SR3624 over I485 is a steel continuous stringer/multi-beam or girder carrying SR3624 over I485 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 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 48,500 vehicles a day, roughly 6% of them trucks, projected to reach 97,000 by 2040. The structure is 265 ft (80.7 m) long and 90 ft wide.

Location

Open in Google Maps
CarriesSR3624
CrossesI485
Location0.3 Mi. E. Jct. SR3649
RouteState Highway 3624
CountyMecklenburg County
StateNorth Carolina
Coordinates35.06415, -80.81574
Functional classUrban Minor Arterial

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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating49.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length265 ft (80.7 m)
Longest span132 ft (40.2 m)
Deck width90 ft (27.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,500 (2018)
Projected traffic97,000 by 2040
Trucks6%
Lanes on structure6
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 SR3624 over I485 built?

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

What condition is SR3624 over I485 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 March 2023.

How much traffic does SR3624 over I485 carry?

About 48,500 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR3624 over I485?

The structure is 265 ft (80.7 m) long with a longest span of 132 ft (40.2 m) and a deck 90 ft wide.

Who owns SR3624 over I485?

It is owned by the State Highway Agency.