US Bridges

North Broadway over Prairie Ditch

Fair

Miami County, Indiana · 0.20 S of US 24 · Structure no. 5200123

Built
1937
88 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
50 ft
1 main span
Daily traffic
9,015
2022 count
Owner
County
County Highway Agency

About this bridge

North Broadway over Prairie Ditch is a concrete culvert carrying North Broadway over Prairie Ditch in Miami County, Indiana. It was built in 1937, so it is 88 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 9,015 vehicles a day, roughly 5% of them trucks, projected to reach 18,030 by 2042. The structure is 50 ft (15.2 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNorth Broadway
CrossesPrairie Ditch
Location0.20 S of US 24
RouteCity Street 0
CountyMiami County
StateIndiana
Coordinates40.77122, -86.08024
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,015 (2022)
Projected traffic18,030 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 North Broadway over Prairie Ditch built?

It was built in 1937, making it 88 years old in 2025.

What condition is North Broadway over Prairie Ditch 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 May 2023.

How much traffic does North Broadway over Prairie Ditch carry?

About 9,015 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is North Broadway over Prairie Ditch?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns North Broadway over Prairie Ditch?

It is owned by the County Highway Agency.