US Bridges

SR3624 Nbl over Fourmile Creek

Fair

Mecklenburg County, North Carolina · 0.8 Mi. S. Jct. NC51 · Structure no. 000000001190595

Built
1992
33 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
15,500
2016 count
Owner
State
State Highway Agency

About this bridge

SR3624 Nbl over Fourmile Creek is a prestressed concrete stringer/multi-beam or girder carrying SR3624 Nbl over Fourmile Creek in Mecklenburg County, North Carolina. It was built in 1992, so it is 33 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 15,500 vehicles a day, roughly 6% of them trucks, projected to reach 31,000 by 2040. The structure is 106 ft (32.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR3624 Nbl
CrossesFourmile Creek
Location0.8 Mi. S. Jct. NC51
RouteState Highway 3624
CountyMecklenburg County
StateNorth Carolina
Coordinates35.07626, -80.81689
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span60 ft (18.2 m)
Deck width34 ft (10.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2016)
Projected traffic31,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR3624 Nbl over Fourmile Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR3624 Nbl over Fourmile 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 March 2023.

How much traffic does SR3624 Nbl over Fourmile Creek carry?

About 15,500 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR3624 Nbl over Fourmile Creek?

The structure is 106 ft (32.3 m) long with a longest span of 60 ft (18.2 m) and a deck 34 ft wide.

Who owns SR3624 Nbl over Fourmile Creek?

It is owned by the State Highway Agency.