US Bridges

I77 US74 Ebl Ramp over Irwin Creek

Fair

Mecklenburg County, North Carolina · 0.5 Mi. E. Jct. US29 · Structure no. 000000001190035

Built
1954
71 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
132 ft
3 main spans
Daily traffic
2,100
2022 count
Owner
State
State Highway Agency

About this bridge

I77 US74 Ebl Ramp over Irwin Creek is a concrete tee beam carrying I77 US74 Ebl Ramp over Irwin Creek in Mecklenburg County, North Carolina. It was built in 1954, so it is 71 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 5 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 2,100 vehicles a day, roughly 16% of them trucks, projected to reach 4,200 by 2040. The structure is 132 ft (40.2 m) long and 84 ft wide.

CarriesI77 US74 Ebl Ramp
CrossesIrwin Creek
Location0.5 Mi. E. Jct. US29
RouteInterstate 77
Coordinates35.22309, -80.86893
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length132 ft (40.2 m)
Longest span43 ft (13.1 m)
Deck width84 ft (25.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2022)
Projected traffic4,200 by 2040
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 I77 US74 Ebl Ramp over Irwin Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is I77 US74 Ebl Ramp 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 September 2024.

How much traffic does I77 US74 Ebl Ramp over Irwin Creek carry?

About 2,100 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I77 US74 Ebl Ramp over Irwin Creek?

The structure is 132 ft (40.2 m) long with a longest span of 43 ft (13.1 m) and a deck 84 ft wide.

Who owns I77 US74 Ebl Ramp over Irwin Creek?

It is owned by the State Highway Agency.