US Bridges

RD 77-SPENCER Mill over Coon Creek

Fair

Medina County, Ohio · 752 N of SR 162 · Structure no. 5234700

Built
1972
53 years old, rebuilt 2012
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
404
2015 count
Owner
County
County Highway Agency

About this bridge

RD 77-SPENCER Mill over Coon Creek is a steel stringer/multi-beam or girder carrying RD 77-SPENCER Mill over Coon Creek in Medina County, Ohio. It was built in 1972 and reconstructed in 2012, so it is 53 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 404 vehicles a day, roughly 8% of them trucks, projected to reach 561 by 2035. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRD 77-SPENCER Mill
CrossesCoon Creek
Location752 N of SR 162
RouteCounty Highway 77
StateOhio
Coordinates41.10161, -82.08653
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating20 US tons
Inventory rating11.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2015)
Projected traffic561 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 RD 77-SPENCER Mill over Coon Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2012.

What condition is RD 77-SPENCER Mill over Coon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does RD 77-SPENCER Mill over Coon Creek carry?

About 404 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is RD 77-SPENCER Mill over Coon Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 24 ft wide.

Who owns RD 77-SPENCER Mill over Coon Creek?

It is owned by the County Highway Agency.