US Bridges

County Road 171 over Little Flat Rock Creek

Good

Paulding County, Ohio · 0.3 MI S of JCT SR637 · Structure no. 6333184

Built
1983
42 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
432
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 171 over Little Flat Rock Creek is a prestressed concrete box beam or girders - multiple carrying County Road 171 over Little Flat Rock Creek in Paulding County, Ohio. It was built in 1983, so it is 42 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 432 vehicles a day, roughly 7% of them trucks, projected to reach 600 by 2035. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 171
CrossesLittle Flat Rock Creek
Location0.3 MI S of JCT SR637
RouteCounty Highway C0171
StateOhio
Coordinates41.19049, -84.4477
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic432 (2015)
Projected traffic600 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County Road 171 over Little Flat Rock Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 171 over Little Flat Rock 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 May 2024.

How much traffic does County Road 171 over Little Flat Rock Creek carry?

About 432 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Road 171 over Little Flat Rock Creek?

The structure is 36 ft (11 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns County Road 171 over Little Flat Rock Creek?

It is owned by the County Highway Agency.