US Bridges

Casstown-Sidney over Middle Branch Lost Creek

Poor

Miami County, Ohio · 0.08 S of TR188 · Structure no. 5531144

Built
1961
64 years old
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
797
2015 count
Owner
County
County Highway Agency

About this bridge

Casstown-Sidney over Middle Branch Lost Creek is a prestressed concrete box beam or girders - multiple carrying Casstown-Sidney over Middle Branch Lost Creek in Miami County, Ohio. It was built in 1961, 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 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.

It carries about 797 vehicles a day, roughly 8% of them trucks, projected to reach 1,106 by 2038. The structure is 79 ft (24.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCasstown-Sidney
CrossesMiddle Branch Lost Creek
Location0.08 S of TR188
RouteCounty Highway 21
StateOhio
Coordinates40.06769, -84.13396
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating63.6 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length79 ft (24.1 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic797 (2015)
Projected traffic1,106 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Casstown-Sidney over Middle Branch Lost Creek built?

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

What condition is Casstown-Sidney over Middle Branch Lost Creek 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 March 2024.

How much traffic does Casstown-Sidney over Middle Branch Lost Creek carry?

About 797 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Casstown-Sidney over Middle Branch Lost Creek?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Casstown-Sidney over Middle Branch Lost Creek?

It is owned by the County Highway Agency.