US Bridges

CR 12 (r) over Mill Creek

Good

Williams County, Ohio · 21850 RD R · Structure no. 8631654

Built
1947
78 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
185
2015 count
Owner
County
County Highway Agency

About this bridge

CR 12 (r) over Mill Creek is a concrete slab carrying CR 12 (r) over Mill Creek in Williams County, Ohio. It was built in 1947, so it is 78 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 185 vehicles a day, roughly 8% of them trucks, projected to reach 257 by 2035. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 12 (r)
CrossesMill Creek
Location21850 RD R
RouteCounty Highway C0012
StateOhio
Coordinates41.68063, -84.40164
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2015)
Projected traffic257 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 CR 12 (r) over Mill Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is CR 12 (r) 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 October 2024.

How much traffic does CR 12 (r) over Mill Creek carry?

About 185 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR 12 (r) over Mill Creek?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns CR 12 (r) over Mill Creek?

It is owned by the County Highway Agency.