US Bridges

Cothar RD over Stream

Good

Brown County, Ohio · .04 MI N of SR125 · Structure no. 0834610

Built
1990
35 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
132
2015 count
Owner
County
County Highway Agency

About this bridge

Cothar RD over Stream is a concrete box beam or girders - multiple carrying Cothar RD over Stream in Brown County, Ohio. It was built in 1990, so it is 35 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 132 vehicles a day, roughly 8% of them trucks, projected to reach 183 by 2035. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCothar RD
CrossesStream
Location.04 MI N of SR125
RouteCounty Highway 151
StateOhio
Coordinates38.93988, -84.02003
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2015)
Projected traffic183 by 2035
Trucks8%
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 Cothar RD over Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cothar RD over Stream 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 November 2023.

How much traffic does Cothar RD over Stream carry?

About 132 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Cothar RD over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Cothar RD over Stream?

It is owned by the County Highway Agency.