US Bridges

County Line 10 over CO Line 10 / Mud Run

FairPosted for load

Huron County, Ohio · 0.1 MI S of Egypt Road · Structure no. 3940403

Built
1900
125 years old, rebuilt 1958
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
211
2015 count
Owner
County
County Highway Agency

About this bridge

County Line 10 over CO Line 10 / Mud Run is a steel stringer/multi-beam or girder carrying County Line 10 over CO Line 10 / Mud Run in Huron County, Ohio. It was built in 1900 and reconstructed in 1958, 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. Its operating status is: posted for load restriction.

It carries about 211 vehicles a day, roughly 8% of them trucks, projected to reach 293 by 2035. The structure is 36 ft (11 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCounty Line 10
CrossesCO Line 10 / Mud Run
Location0.1 MI S of Egypt Road
RouteCounty Highway T0010
CountyHuron County
StateOhio
Coordinates41.08253, -82.83272
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic211 (2015)
Projected traffic293 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 County Line 10 over CO Line 10 / Mud Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1958.

What condition is County Line 10 over CO Line 10 / Mud 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 April 2024.

How much traffic does County Line 10 over CO Line 10 / Mud Run carry?

About 211 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Line 10 over CO Line 10 / Mud Run?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns County Line 10 over CO Line 10 / Mud Run?

It is owned by the County Highway Agency.