US Bridges

Columbia Parkway over IR471 Ramp Egg Cul

Fair

Hamilton County, Ohio · N of I471 & US50 Int · Structure no. 3103390

Built
1938
87 years old, rebuilt 1997
Condition
Fair
inspected August 2024
Type
Truss - Deck
Steel
Length
1,659 ft
7 main spans
Daily traffic
56,580
2005 count
Owner
State
State Highway Agency

About this bridge

Columbia Parkway over IR471 Ramp Egg Cul is a steel truss - deck carrying Columbia Parkway over IR471 Ramp Egg Cul in Hamilton County, Ohio. It was built in 1938 and reconstructed in 1997, so it is 87 years old, older than the Ohio average of 47.3 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 56,580 vehicles a day, roughly 3% of them trucks, projected to reach 78,533 by 2025. The structure is 1,659 ft (505.7 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesColumbia Parkway
CrossesIR471 Ramp Egg Cul
LocationN of I471 & US50 Int
RouteU.S. Route 50
CountyHamilton County
StateOhio
Coordinates39.10318, -84.50247
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans7 (+10 approach)
Design loadHS 20 + Mod
Structure length1,659 ft (505.7 m)
Longest span170 ft (51.8 m)
Deck width72 ft (21.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,580 (2005)
Projected traffic78,533 by 2025
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Columbia Parkway over IR471 Ramp Egg Cul built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1997.

What condition is Columbia Parkway over IR471 Ramp Egg Cul 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 August 2024.

How much traffic does Columbia Parkway over IR471 Ramp Egg Cul carry?

About 56,580 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Columbia Parkway over IR471 Ramp Egg Cul?

The structure is 1,659 ft (505.7 m) long with a longest span of 170 ft (51.8 m) and a deck 72 ft wide.

Who owns Columbia Parkway over IR471 Ramp Egg Cul?

It is owned by the State Highway Agency.