US Bridges

I-485 over Dixion Branch

Good

Mecklenburg County, North Carolina · 0.57 Mi. W. of Jct. I-77 · Structure no. 000000001191649

Built
2022
3 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
64,000
2020 count
Owner
State
State Highway Agency

About this bridge

I-485 over Dixion Branch is a concrete culvert carrying I-485 over Dixion Branch in Mecklenburg County, North Carolina. It was built in 2022, so it is 3 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 64,000 vehicles a day, roughly 16% of them trucks, projected to reach 128,000 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-485
CrossesDixion Branch
Location0.57 Mi. W. of Jct. I-77
RouteInterstate 485
Coordinates35.36218, -80.85184
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,000 (2020)
Projected traffic128,000 by 2040
Trucks16%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-485 over Dixion Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is I-485 over Dixion Branch 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 2024.

How much traffic does I-485 over Dixion Branch carry?

About 64,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I-485 over Dixion Branch?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.3 m).

Who owns I-485 over Dixion Branch?

It is owned by the State Highway Agency.