US Bridges

SR 59 over Unt Howesville Ditch

Good

Clay County, Indiana · 02.67 N SR 48 · Structure no. 021193

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
927
2024 count
Owner
State
State Highway Agency

About this bridge

SR 59 over Unt Howesville Ditch is a concrete culvert carrying SR 59 over Unt Howesville Ditch in Clay County, Indiana. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 927 vehicles a day, roughly 9% of them trucks, projected to reach 947 by 2044. The structure is 29 ft (8.9 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 59
CrossesUnt Howesville Ditch
Location02.67 N SR 48
RouteState Highway 59
StateIndiana
Coordinates39.17701, -87.15455
Functional classRural Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length29 ft (8.9 m)
Longest span26 ft (8 m)
Deck width60 ft (18.2 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic927 (2024)
Projected traffic947 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 59 over Unt Howesville Ditch built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 59 over Unt Howesville 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 July 2024.

How much traffic does SR 59 over Unt Howesville Ditch carry?

About 927 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 59 over Unt Howesville Ditch?

The structure is 29 ft (8.9 m) long with a longest span of 26 ft (8 m) and a deck 60 ft wide.

Who owns SR 59 over Unt Howesville Ditch?

It is owned by the State Highway Agency.