US Bridges

SR 32 over Dierks (sanitary) Ditch

Good

Boone County, Indiana · 00.51 W I-65 · Structure no. 010550

Built
2006
19 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
13,028
2021 count
Owner
State
State Highway Agency

About this bridge

SR 32 over Dierks (sanitary) Ditch is a concrete continuous slab carrying SR 32 over Dierks (sanitary) Ditch in Boone County, Indiana. It was built in 2006, so it is 19 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 13,028 vehicles a day, roughly 23% of them trucks, projected to reach 27,578 by 2030. The structure is 87 ft (26.5 m) long and 71 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 32
CrossesDierks (sanitary) Ditch
Location00.51 W I-65
RouteState Highway 32
CountyBoone County
StateIndiana
Coordinates40.0466, -86.4988
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span33 ft (10.2 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,028 (2021)
Projected traffic27,578 by 2030
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 32 over Dierks (sanitary) Ditch built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 32 over Dierks (sanitary) 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 February 2024.

How much traffic does SR 32 over Dierks (sanitary) Ditch carry?

About 13,028 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is SR 32 over Dierks (sanitary) Ditch?

The structure is 87 ft (26.5 m) long with a longest span of 33 ft (10.2 m) and a deck 71 ft wide.

Who owns SR 32 over Dierks (sanitary) Ditch?

It is owned by the State Highway Agency.