US Bridges

CR 1 over Mad River

Fair

Logan County, Ohio · .75 M N of CR47 · Structure no. 4630017

Built
1950
75 years old, rebuilt 1973
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
1,389
2015 count
Owner
County
County Highway Agency

About this bridge

CR 1 over Mad River is a prestressed concrete box beam or girders - multiple carrying CR 1 over Mad River in Logan County, Ohio. It was built in 1950 and reconstructed in 1973, so it is 75 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 1,389 vehicles a day, roughly 1% of them trucks, projected to reach 1,928 by 2035. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 1
CrossesMad River
Location.75 M N of CR47
RouteCounty Highway C0001
StateOhio
Coordinates40.28092, -83.72574
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating37.5 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,389 (2015)
Projected traffic1,928 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1 over Mad River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1973.

What condition is CR 1 over Mad River 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 January 2025.

How much traffic does CR 1 over Mad River carry?

About 1,389 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is CR 1 over Mad River?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 26 ft wide.

Who owns CR 1 over Mad River?

It is owned by the County Highway Agency.