US Bridges

Blair Ave over Ridgeway AVENUE;CRR;I71

Fair

Hamilton County, Ohio · 1.9 MI N of US 42 Reading · Structure no. 3114538

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
810 ft
10 main spans
Daily traffic
10,316
2015 count
Owner
State
State Highway Agency

About this bridge

Blair Ave over Ridgeway AVENUE;CRR;I71 is a steel continuous stringer/multi-beam or girder carrying Blair Ave over Ridgeway AVENUE;CRR;I71 in Hamilton County, Ohio. It was built in 1972, so it is 53 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 10,316 vehicles a day, roughly 5% of them trucks, projected to reach 174,258 by 2038. The structure is 810 ft (246.9 m) long and 58 ft wide.

Location

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CarriesBlair Ave
CrossesRidgeway AVENUE;CRR;I71
Location1.9 MI N of US 42 Reading
RouteCity Street 526
CountyHamilton County
StateOhio
Coordinates39.14025, -84.48726
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length810 ft (246.9 m)
Longest span119 ft (36.3 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,316 (2015)
Projected traffic174,258 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Blair Ave over Ridgeway AVENUE;CRR;I71 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Blair Ave over Ridgeway AVENUE;CRR;I71 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 October 2024.

How much traffic does Blair Ave over Ridgeway AVENUE;CRR;I71 carry?

About 10,316 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Blair Ave over Ridgeway AVENUE;CRR;I71?

The structure is 810 ft (246.9 m) long with a longest span of 119 ft (36.3 m) and a deck 58 ft wide.

Who owns Blair Ave over Ridgeway AVENUE;CRR;I71?

It is owned by the State Highway Agency.