US Bridges

County Road 186-C over Big Run

Good

Trumbull County, Ohio · 0.6 Mi. W. of T.H. 182 · Structure no. 7841965

Built
1939
86 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
1,159
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 186-C over Big Run is a concrete slab carrying County Road 186-C over Big Run in Trumbull County, Ohio. It was built in 1939, so it is 86 years old, older 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 1,159 vehicles a day, roughly 8% of them trucks, projected to reach 1,609 by 2035. The structure is 29 ft (8.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 186-C
CrossesBig Run
Location0.6 Mi. W. of T.H. 182
RouteCounty Highway C186C
StateOhio
Coordinates41.27679, -80.53008
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,159 (2015)
Projected traffic1,609 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 186-C over Big Run built?

It was built in 1939, making it 86 years old in 2025.

What condition is County Road 186-C over Big Run 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 July 2024.

How much traffic does County Road 186-C over Big Run carry?

About 1,159 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 186-C over Big Run?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns County Road 186-C over Big Run?

It is owned by the County Highway Agency.