US Bridges

US 31 over Isaac Jones Ditch

Good

Hamilton County, Indiana · 0.52 S SR 38 · Structure no. 009628

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
37,290
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 over Isaac Jones Ditch is a concrete culvert carrying US 31 over Isaac Jones Ditch in Hamilton County, Indiana. It was built in 2012, so it is 13 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 37,290 vehicles a day, roughly 10% of them trucks, projected to reach 49,000 by 2035. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 31
CrossesIsaac Jones Ditch
Location0.52 S SR 38
RouteState Highway 31
StateIndiana
Coordinates40.08679, -86.12792
Functional classRural Principal Arterial - Other

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,290 (2021)
Projected traffic49,000 by 2035
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 US 31 over Isaac Jones Ditch built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 31 over Isaac Jones 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 September 2024.

How much traffic does US 31 over Isaac Jones Ditch carry?

About 37,290 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US 31 over Isaac Jones Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m).

Who owns US 31 over Isaac Jones Ditch?

It is owned by the State Highway Agency.