US Bridges

US 31 over Drainage Ditch

Fair

Scott County, Indiana · 00.02 N SR 356 · Structure no. 009040

Built
1923
102 years old, rebuilt 1967
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
5,828
2004 count
Owner
State
State Highway Agency

About this bridge

US 31 over Drainage Ditch is a concrete slab carrying US 31 over Drainage Ditch in Scott County, Indiana. It was built in 1923 and reconstructed in 1967, so it is 102 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,828 vehicles a day, roughly 10% of them trucks, projected to reach 9,747 by 2031. The structure is 44 ft (13.4 m) long and 53 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 31
CrossesDrainage Ditch
Location00.02 N SR 356
RouteU.S. Route 31
CountyScott County
StateIndiana
Coordinates38.64888, -85.7747
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span40 ft (12.1 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,828 (2004)
Projected traffic9,747 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 1923, making it 102 years old in 2025. It was reconstructed in 1967.

What condition is US 31 over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does US 31 over Drainage Ditch carry?

About 5,828 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is US 31 over Drainage Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.1 m) and a deck 53 ft wide.

Who owns US 31 over Drainage Ditch?

It is owned by the State Highway Agency.