US Bridges

Doty RD over Mill Creek

Good

Lake County, Ohio · 0.35 MI NE of Griswold · Structure no. 4339703

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
341
2015 count
Owner
County
County Highway Agency

About this bridge

Doty RD over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Doty RD over Mill Creek in Lake County, Ohio. It was built in 2007, so it is 18 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 341 vehicles a day, roughly 8% of them trucks, projected to reach 473 by 2035. The structure is 84 ft (25.6 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesDoty RD
CrossesMill Creek
Location0.35 MI NE of Griswold
RouteCounty Highway 12
StateOhio
Coordinates41.73946, -81.02662
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating107.1 US tons
Inventory rating71.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length84 ft (25.6 m)
Longest span83 ft (25.3 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2015)
Projected traffic473 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Doty RD over Mill Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Doty RD over Mill 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 November 2023.

How much traffic does Doty RD over Mill Creek carry?

About 341 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Doty RD over Mill Creek?

The structure is 84 ft (25.6 m) long with a longest span of 83 ft (25.3 m) and a deck 30 ft wide.

Who owns Doty RD over Mill Creek?

It is owned by the County Highway Agency.