US Bridges

SR 39 over Cammie-Thomas Ditch

Fair

Washington County, Indiana · 00.08 S SR 256 · Structure no. 013040

Built
1968
57 years old, rebuilt 2001
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
522
2018 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Cammie-Thomas Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 39 over Cammie-Thomas Ditch in Washington County, Indiana. It was built in 1968 and reconstructed in 2001, so it is 57 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 522 vehicles a day, roughly 11% of them trucks, projected to reach 689 by 2042. The structure is 162 ft (49.4 m) long and 45 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 39
CrossesCammie-Thomas Ditch
Location00.08 S SR 256
RouteState Highway 39
CountyWashington County
StateIndiana
Coordinates38.74492, -85.93498
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span53 ft (16.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic522 (2018)
Projected traffic689 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Cammie-Thomas Ditch built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2001.

What condition is SR 39 over Cammie-Thomas 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 October 2023.

How much traffic does SR 39 over Cammie-Thomas Ditch carry?

About 522 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is SR 39 over Cammie-Thomas Ditch?

The structure is 162 ft (49.4 m) long with a longest span of 53 ft (16.3 m) and a deck 45 ft wide.

Who owns SR 39 over Cammie-Thomas Ditch?

It is owned by the State Highway Agency.