US Bridges

I85 Nbl over Irish Buffalo Creek

Good

Cabarrus County, North Carolina · 1.2 MI.N.JCT.NC73 · Structure no. 000000000250086

Built
2016
9 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
2 main spans
Daily traffic
44,750
2020 count
Owner
State
State Highway Agency

About this bridge

I85 Nbl over Irish Buffalo Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I85 Nbl over Irish Buffalo Creek in Cabarrus County, North Carolina. It was built in 2016, so it is 9 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 44,750 vehicles a day, roughly 16% of them trucks, projected to reach 89,500 by 2040. The structure is 175 ft (53.3 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI85 Nbl
CrossesIrish Buffalo Creek
Location1.2 MI.N.JCT.NC73
RouteInterstate 85
Coordinates35.43884, -80.63845
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length175 ft (53.3 m)
Longest span94 ft (28.6 m)
Deck width73 ft (22.3 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,750 (2020)
Projected traffic89,500 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 I85 Nbl over Irish Buffalo Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is I85 Nbl over Irish Buffalo 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 January 2025.

How much traffic does I85 Nbl over Irish Buffalo Creek carry?

About 44,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85 Nbl over Irish Buffalo Creek?

The structure is 175 ft (53.3 m) long with a longest span of 94 ft (28.6 m) and a deck 73 ft wide.

Who owns I85 Nbl over Irish Buffalo Creek?

It is owned by the State Highway Agency.