US Bridges

Monnett-New Winch over Olentangy River

Good

Crawford County, Ohio · 1.2 Mi. W. of SR 309 · Structure no. 1735969

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
743
2015 count
Owner
County
County Highway Agency

About this bridge

Monnett-New Winch over Olentangy River is a concrete continuous slab carrying Monnett-New Winch over Olentangy River in Crawford County, Ohio. It was built in 1991, so it is 34 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 743 vehicles a day, roughly 8% of them trucks, projected to reach 1,031 by 2035. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMonnett-New Winch
CrossesOlentangy River
Location1.2 Mi. W. of SR 309
RouteCounty Highway C0019
CountyCrawford County
StateOhio
Coordinates40.71978, -82.83226
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic743 (2015)
Projected traffic1,031 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 Monnett-New Winch over Olentangy River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Monnett-New Winch over Olentangy River 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 Monnett-New Winch over Olentangy River carry?

About 743 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Monnett-New Winch over Olentangy River?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns Monnett-New Winch over Olentangy River?

It is owned by the County Highway Agency.