US Bridges

SR 39 over Ross Ditch

Good

Hendricks County, Indiana · 00.34 S US 136 · Structure no. 013250

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
164 ft
5 main spans
Daily traffic
6,260
2021 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Ross Ditch is a concrete continuous slab carrying SR 39 over Ross Ditch in Hendricks County, Indiana. It was built in 1985, so it is 40 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 6,260 vehicles a day, roughly 8% of them trucks, projected to reach 4,795 by 2032. The structure is 164 ft (49.9 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 39
CrossesRoss Ditch
Location00.34 S US 136
RouteState Highway 39
StateIndiana
Coordinates39.87854, -86.54343
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span39 ft (12 m)
Deck width53 ft (16.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,260 (2021)
Projected traffic4,795 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 39 over Ross Ditch built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 39 over Ross 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 March 2023.

How much traffic does SR 39 over Ross Ditch carry?

About 6,260 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR 39 over Ross Ditch?

The structure is 164 ft (49.9 m) long with a longest span of 39 ft (12 m) and a deck 53 ft wide.

Who owns SR 39 over Ross Ditch?

It is owned by the State Highway Agency.