US Bridges

CR 350 W over Thompson Ditch

FairPosted for load

Newton County, Indiana · 1.0 MI E CR 900 S · Structure no. 5600068

Built
1900
125 years old, rebuilt 1950
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
145
2024 count
Owner
County
County Highway Agency

About this bridge

CR 350 W over Thompson Ditch is a steel stringer/multi-beam or girder carrying CR 350 W over Thompson Ditch in Newton County, Indiana. It was built in 1900 and reconstructed in 1950, so it is 125 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 145 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2044. The structure is 38 ft (11.5 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 350 W
CrossesThompson Ditch
Location1.0 MI E CR 900 S
RouteCounty Highway 19
CountyNewton County
StateIndiana
Coordinates40.88065, -87.45849
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.8 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span36 ft (10.9 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2024)
Projected traffic192 by 2044
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 350 W over Thompson Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1950.

What condition is CR 350 W over Thompson 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 September 2024.

How much traffic does CR 350 W over Thompson Ditch carry?

About 145 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 350 W over Thompson Ditch?

The structure is 38 ft (11.5 m) long with a longest span of 36 ft (10.9 m) and a deck 24 ft wide.

Who owns CR 350 W over Thompson Ditch?

It is owned by the County Highway Agency.