US Bridges

SR3635 over Sixmile Creek

Good

Mecklenburg County, North Carolina · 0.2 Mi. E. Jct. SR3633 · Structure no. 000000001190011

Built
1990
35 years old
Condition
Good
inspected April 2021
Type
Slab
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
10,000
2016 count
Owner
State
State Highway Agency

About this bridge

SR3635 over Sixmile Creek is a prestressed concrete slab carrying SR3635 over Sixmile Creek in Mecklenburg County, North Carolina. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,000 vehicles a day, roughly 7% of them trucks, projected to reach 20,000 by 2040. The structure is 93 ft (28.3 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR3635
CrossesSixmile Creek
Location0.2 Mi. E. Jct. SR3633
RouteState Highway 3635
Coordinates35.01039, -80.82805
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating67.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length93 ft (28.3 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2016)
Projected traffic20,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR3635 over Sixmile Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR3635 over Sixmile Creek 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 April 2021.

How much traffic does SR3635 over Sixmile Creek carry?

About 10,000 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR3635 over Sixmile Creek?

The structure is 93 ft (28.3 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns SR3635 over Sixmile Creek?

It is owned by the State Highway Agency.