US Bridges

CR 75 over Big Run

Good

Noble County, Ohio · .66 Mi. N. of County Line · Structure no. 6130194

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
385
2015 count
Owner
County
County Highway Agency

About this bridge

CR 75 over Big Run is a steel truss - thru carrying CR 75 over Big Run in Noble County, Ohio. It was built in 1993, so it is 32 years old, younger 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 385 vehicles a day, roughly 8% of them trucks, projected to reach 534 by 2035. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 75
CrossesBig Run
Location.66 Mi. N. of County Line
RouteCounty Highway C0075
CountyNoble County
StateOhio
Coordinates39.59269, -81.53275
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2015)
Projected traffic534 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 75 over Big Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is CR 75 over Big Run 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 September 2024.

How much traffic does CR 75 over Big Run carry?

About 385 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR 75 over Big Run?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns CR 75 over Big Run?

It is owned by the County Highway Agency.