US Bridges

Delbrook Drive over Unt Howard Johnson Ditch

Poor

Marion County, Indiana · 00.20 E of Meridian ST · Structure no. 4900679

Built
1968
57 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
2,143
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Delbrook Drive over Unt Howard Johnson Ditch is a steel culvert carrying Delbrook Drive over Unt Howard Johnson Ditch in Marion County, Indiana. It was built in 1968, so it is 57 years old, older than the Indiana average of 46.6 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 2,143 vehicles a day, roughly 5% of them trucks, projected to reach 3,184 by 2039. The structure is 20 ft (6.2 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesDelbrook Drive
CrossesUnt Howard Johnson Ditch
Location00.20 E of Meridian ST
RouteCity Street 0
StateIndiana
Coordinates39.89761, -86.18648
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (2.9 m)
Deck width49 ft (14.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,143 (2019)
Projected traffic3,184 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Delbrook Drive over Unt Howard Johnson Ditch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Delbrook Drive over Unt Howard Johnson Ditch 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 August 2024.

How much traffic does Delbrook Drive over Unt Howard Johnson Ditch carry?

About 2,143 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Delbrook Drive over Unt Howard Johnson Ditch?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (2.9 m) and a deck 49 ft wide.

Who owns Delbrook Drive over Unt Howard Johnson Ditch?

It is owned by the City or Municipal Highway Agency.