US Bridges

Dean RD over Howland Ditch

Good

Marion County, Indiana · 00.38 S 79th ST · Structure no. 4900028

Built
2007
18 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
43 ft
1 main span
Daily traffic
6,048
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dean RD over Howland Ditch is a concrete culvert carrying Dean RD over Howland Ditch in Marion County, Indiana. It was built in 2007, so it is 18 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,048 vehicles a day, roughly 12% of them trucks, projected to reach 8,987 by 2039. The structure is 43 ft (13.2 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDean RD
CrossesHowland Ditch
Location00.38 S 79th ST
RouteCity Street 0
StateIndiana
Coordinates39.89228, -86.09832
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span40 ft (12.1 m)
Deck width47 ft (14.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,048 (2019)
Projected traffic8,987 by 2039
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Dean RD over Howland Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is Dean RD over Howland Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Dean RD over Howland Ditch carry?

About 6,048 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Dean RD over Howland Ditch?

The structure is 43 ft (13.2 m) long with a longest span of 40 ft (12.1 m) and a deck 47 ft wide.

Who owns Dean RD over Howland Ditch?

It is owned by the City or Municipal Highway Agency.