US Bridges

Riddle Road over Millcreek--Woo(riddle RD

Fair

Hamilton County, Ohio · 98 MI E of Leacrest RD · Structure no. 3138208

Built
1927
98 years old, rebuilt 1974
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
95 ft
3 main spans
Daily traffic
5,200
1976 count
Owner
County
County Highway Agency

About this bridge

Riddle Road over Millcreek--Woo(riddle RD is a concrete tee beam carrying Riddle Road over Millcreek--Woo(riddle RD in Hamilton County, Ohio. It was built in 1927 and reconstructed in 1974, so it is 98 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 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 5,200 vehicles a day, projected to reach 7,218 by 1996. The structure is 95 ft (29 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiddle Road
CrossesMillcreek--Woo(riddle RD
Location98 MI E of Leacrest RD
RouteCity Street 4637
StateOhio
Coordinates39.25391, -84.47063
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length95 ft (29 m)
Longest span59 ft (18 m)
Deck width35 ft (10.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (1976)
Projected traffic7,218 by 1996
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Riddle Road over Millcreek--Woo(riddle RD built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1974.

What condition is Riddle Road over Millcreek--Woo(riddle RD 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 March 2024.

How much traffic does Riddle Road over Millcreek--Woo(riddle RD carry?

About 5,200 vehicles per day (1976 count).

How long is Riddle Road over Millcreek--Woo(riddle RD?

The structure is 95 ft (29 m) long with a longest span of 59 ft (18 m) and a deck 35 ft wide.

Who owns Riddle Road over Millcreek--Woo(riddle RD?

It is owned by the County Highway Agency.