US Bridges

SR 73 over East Fork Little Miami

PoorPosted for load

Highland County, Ohio · .35 MI E of Clinton Cty · Structure no. 3601536

Built
1946
79 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
50 ft
2 main spans
Daily traffic
5,565
2015 count
Owner
State
State Highway Agency

About this bridge

SR 73 over East Fork Little Miami is a concrete continuous slab carrying SR 73 over East Fork Little Miami in Highland County, Ohio. It was built in 1946, so it is 79 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5,565 vehicles a day, roughly 7% of them trucks, projected to reach 7,724 by 2035. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 73
CrossesEast Fork Little Miami
Location.35 MI E of Clinton Cty
RouteState Highway 73
CountyHighland County
StateOhio
Coordinates39.31513, -83.68959
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.4 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,565 (2015)
Projected traffic7,724 by 2035
Trucks7%
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

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 SR 73 over East Fork Little Miami built?

It was built in 1946, making it 79 years old in 2025.

What condition is SR 73 over East Fork Little Miami in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does SR 73 over East Fork Little Miami carry?

About 5,565 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 73 over East Fork Little Miami?

The structure is 50 ft (15.2 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns SR 73 over East Fork Little Miami?

It is owned by the State Highway Agency.