US Bridges

Troy Ave over State Ditch

Fair

Marion County, Indiana · 00.40 W of Holt RD · Structure no. 4900283

Built
1971
54 years old, rebuilt 2000
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
3,968
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Troy Ave over State Ditch is a concrete continuous slab carrying Troy Ave over State Ditch in Marion County, Indiana. It was built in 1971 and reconstructed in 2000, so it is 54 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 6 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 3,968 vehicles a day, roughly 5% of them trucks, projected to reach 5,900 by 2039. The structure is 91 ft (27.8 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesTroy Ave
CrossesState Ditch
Location00.40 W of Holt RD
RouteCity Street 92
CountyMarion County
StateIndiana
Coordinates39.72028, -86.23282
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length91 ft (27.8 m)
Longest span35 ft (10.8 m)
Deck width33 ft (10 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,968 (2019)
Projected traffic5,900 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Troy Ave over State Ditch built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2000.

What condition is Troy Ave over State 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 July 2024.

How much traffic does Troy Ave over State Ditch carry?

About 3,968 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Troy Ave over State Ditch?

The structure is 91 ft (27.8 m) long with a longest span of 35 ft (10.8 m) and a deck 33 ft wide.

Who owns Troy Ave over State Ditch?

It is owned by the City or Municipal Highway Agency.