US Bridges

Perry Twp 470 over Dismal Creek

Good

Monroe County, Ohio · 0.47 MI N. of CR 9 · Structure no. 5633062

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
50 ft
1 main span
Daily traffic
11
2016 count
Owner
County
County Highway Agency

About this bridge

Perry Twp 470 over Dismal Creek is a steel girder and floorbeam system carrying Perry Twp 470 over Dismal Creek in Monroe County, Ohio. It was built in 2016, so it is 9 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, roughly 9% of them trucks, projected to reach 15 by 2036. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPerry Twp 470
CrossesDismal Creek
Location0.47 MI N. of CR 9
RouteCounty Highway 0T470
CountyMonroe County
StateOhio
Coordinates39.66649, -81.04837
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2016)
Projected traffic15 by 2036
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$42 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Perry Twp 470 over Dismal Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Perry Twp 470 over Dismal Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Perry Twp 470 over Dismal Creek carry?

About 11 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Perry Twp 470 over Dismal Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 16 ft wide.

Who owns Perry Twp 470 over Dismal Creek?

It is owned by the County Highway Agency.