US Bridges

SR73 over Mutton Run

Good

Butler County, Ohio · 0.88 MI E of SR 503 · Structure no. 0901172

Built
1961
64 years old, rebuilt 2007
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
6,971
2015 count
Owner
State
State Highway Agency

About this bridge

SR73 over Mutton Run is a concrete continuous slab carrying SR73 over Mutton Run in Butler County, Ohio. It was built in 1961 and reconstructed in 2007, so it is 64 years old, older 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 6,971 vehicles a day, roughly 8% of them trucks, projected to reach 9,676 by 2035. The structure is 54 ft (16.5 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR73
CrossesMutton Run
Location0.88 MI E of SR 503
RouteState Highway 73
StateOhio
Coordinates39.49201, -84.53683
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length54 ft (16.5 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,971 (2015)
Projected traffic9,676 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR73 over Mutton Run built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.

What condition is SR73 over Mutton 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 February 2024.

How much traffic does SR73 over Mutton Run carry?

About 6,971 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR73 over Mutton Run?

The structure is 54 ft (16.5 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns SR73 over Mutton Run?

It is owned by the State Highway Agency.