US Bridges

NB Ir 471 over 1RR;US52;THIRD ST Conn

Fair

Hamilton County, Ohio · Oh-Ky State Line · Structure no. 3117367

Built
1976
49 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,100 ft
13 main spans
Daily traffic
50,933
2015 count
Owner
State
State Highway Agency

About this bridge

NB Ir 471 over 1RR;US52;THIRD ST Conn is a steel continuous stringer/multi-beam or girder carrying NB Ir 471 over 1RR;US52;THIRD ST Conn in Hamilton County, Ohio. It was built in 1976, so it is 49 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 50,933 vehicles a day, roughly 4% of them trucks, projected to reach 70,695 by 2035. The structure is 1,100 ft (335.3 m) long and 55 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesNB Ir 471
Crosses1RR;US52;THIRD ST Conn
LocationOh-Ky State Line
RouteInterstate 471
CountyHamilton County
StateOhio
Coordinates39.10154, -84.49648
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length1,100 ft (335.3 m)
Longest span103 ft (31.4 m)
Deck width55 ft (16.8 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic50,933 (2015)
Projected traffic70,695 by 2035
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB Ir 471 over 1RR;US52;THIRD ST Conn built?

It was built in 1976, making it 49 years old in 2025.

What condition is NB Ir 471 over 1RR;US52;THIRD ST Conn 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 February 2025.

How much traffic does NB Ir 471 over 1RR;US52;THIRD ST Conn carry?

About 50,933 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is NB Ir 471 over 1RR;US52;THIRD ST Conn?

The structure is 1,100 ft (335.3 m) long with a longest span of 103 ft (31.4 m) and a deck 55 ft wide.

Who owns NB Ir 471 over 1RR;US52;THIRD ST Conn?

It is owned by the State Highway Agency.