US Bridges

US 31 over Drainage Ditch

Good

Jackson County, Indiana · 00.75 N I-65 · Structure no. 009150

Built
1997
28 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
4,200
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 over Drainage Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying US 31 over Drainage Ditch in Jackson County, Indiana. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,200 vehicles a day, roughly 5% of them trucks, projected to reach 4,660 by 2041. The structure is 164 ft (49.9 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 31
CrossesDrainage Ditch
Location00.75 N I-65
RouteU.S. Route 31
StateIndiana
Coordinates38.91227, -85.82449
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating54.2 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span62 ft (18.9 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2021)
Projected traffic4,660 by 2041
Trucks5%
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 US 31 over Drainage Ditch built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 31 over Drainage 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 June 2024.

How much traffic does US 31 over Drainage Ditch carry?

About 4,200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is US 31 over Drainage Ditch?

The structure is 164 ft (49.9 m) long with a longest span of 62 ft (18.9 m) and a deck 48 ft wide.

Who owns US 31 over Drainage Ditch?

It is owned by the State Highway Agency.