US Bridges

Conservatory Drive over Pleasant Run

Fair

Marion County, Indiana · 00.05 SE of Plsnt Run Pkw · Structure no. 4900314

Built
1907
118 years old, rebuilt 2021
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
74 ft
1 main span
Daily traffic
1,275
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Conservatory Drive over Pleasant Run is a concrete arch - deck carrying Conservatory Drive over Pleasant Run in Marion County, Indiana. It was built in 1907 and reconstructed in 2021, so it is 118 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 1,275 vehicles a day, roughly 5% of them trucks, projected to reach 1,890 by 2039. The structure is 74 ft (22.5 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesConservatory Drive
CrossesPleasant Run
Location00.05 SE of Plsnt Run Pkw
RouteCity Street 0
CountyMarion County
StateIndiana
Coordinates39.73623, -86.14743
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating39.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length74 ft (22.5 m)
Longest span71 ft (21.6 m)
Deck width34 ft (10.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,275 (2019)
Projected traffic1,890 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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Conservatory Drive over Pleasant Run built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 2021.

What condition is Conservatory Drive over Pleasant Run 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 August 2024.

How much traffic does Conservatory Drive over Pleasant Run carry?

About 1,275 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Conservatory Drive over Pleasant Run?

The structure is 74 ft (22.5 m) long with a longest span of 71 ft (21.6 m) and a deck 34 ft wide.

Who owns Conservatory Drive over Pleasant Run?

It is owned by the City or Municipal Highway Agency.