US Bridges

I85 SR2623 SR2624 over Irwin Creek

Fair

Mecklenburg County, North Carolina · 0.5 Mi. N. Jct. SR2691 · Structure no. 000000001190244

Built
1957
68 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
190,000
2022 count
Owner
State
State Highway Agency

About this bridge

I85 SR2623 SR2624 over Irwin Creek is a concrete continuous culvert carrying I85 SR2623 SR2624 over Irwin Creek in Mecklenburg County, North Carolina. It was built in 1957 and reconstructed in 1989, so it is 68 years old, older 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 190,000 vehicles a day, roughly 16% of them trucks, projected to reach 380,000 by 2040. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85 SR2623 SR2624
CrossesIrwin Creek
Location0.5 Mi. N. Jct. SR2691
RouteInterstate 85
Coordinates35.2743, -80.82614
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190,000 (2022)
Projected traffic380,000 by 2040
Trucks16%
Lanes on structure11
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I85 SR2623 SR2624 over Irwin Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1989.

What condition is I85 SR2623 SR2624 over Irwin 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 July 2024.

How much traffic does I85 SR2623 SR2624 over Irwin Creek carry?

About 190,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I85 SR2623 SR2624 over Irwin Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns I85 SR2623 SR2624 over Irwin Creek?

It is owned by the State Highway Agency.