US Bridges

Coopermill Road over Thompson Run

Fair

Muskingum County, Ohio · 0.1 MI W of Wilkens Road · Structure no. 6038115

Built
1900
125 years old, rebuilt 1987
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
300
2015 count
Owner
County
County Highway Agency

About this bridge

Coopermill Road over Thompson Run is a steel stringer/multi-beam or girder carrying Coopermill Road over Thompson Run in Muskingum County, Ohio. It was built in 1900 and reconstructed in 1987, so it is 125 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 5 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 416 by 2035. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCoopermill Road
CrossesThompson Run
Location0.1 MI W of Wilkens Road
RouteCounty Highway C0071
CountyMuskingum County
StateOhio
Coordinates39.91484, -82.1092
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic416 by 2035
Trucks7%
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 Coopermill Road over Thompson Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1987.

What condition is Coopermill Road over Thompson Run 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 October 2024.

How much traffic does Coopermill Road over Thompson Run carry?

About 300 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Coopermill Road over Thompson Run?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns Coopermill Road over Thompson Run?

It is owned by the County Highway Agency.