US Bridges

CR 11 (20) over Mill Creek

Good

Williams County, Ohio · 15060 RD 20 · Structure no. 8631549

Built
1925
100 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
664
2015 count
Owner
County
County Highway Agency

About this bridge

CR 11 (20) over Mill Creek is a concrete slab carrying CR 11 (20) over Mill Creek in Williams County, Ohio. It was built in 1925, so it is 100 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 664 vehicles a day, roughly 8% of them trucks, projected to reach 922 by 2035. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 11 (20)
CrossesMill Creek
Location15060 RD 20
RouteCounty Highway C0011
StateOhio
Coordinates41.6377, -84.43731
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic664 (2015)
Projected traffic922 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 11 (20) over Mill Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is CR 11 (20) 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 11 (20) over Mill Creek carry?

About 664 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR 11 (20) over Mill Creek?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns CR 11 (20) over Mill Creek?

It is owned by the County Highway Agency.