US Bridges

CR 300 W over Thompson Ditch

Good

Newton County, Indiana · 0.5 MI S CR 900 S · Structure no. 5600161

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
154
2024 count
Owner
County
County Highway Agency

About this bridge

CR 300 W over Thompson Ditch is a prestressed concrete stringer/multi-beam or girder carrying CR 300 W over Thompson Ditch in Newton County, Indiana. It was built in 2016, so it is 9 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 154 vehicles a day, roughly 5% of them trucks, projected to reach 228 by 2044. The structure is 90 ft (27.5 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 300 W
CrossesThompson Ditch
Location0.5 MI S CR 900 S
RouteCounty Highway 21
StateIndiana
Coordinates40.85906, -87.4494
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.5 m)
Longest span86 ft (26.2 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2024)
Projected traffic228 by 2044
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 300 W over Thompson Ditch built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 300 W over Thompson 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 September 2024.

How much traffic does CR 300 W over Thompson Ditch carry?

About 154 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 300 W over Thompson Ditch?

The structure is 90 ft (27.5 m) long with a longest span of 86 ft (26.2 m) and a deck 26 ft wide.

Who owns CR 300 W over Thompson Ditch?

It is owned by the County Highway Agency.