US Bridges

CR 100 E over Knight Ditch

Fair

Newton County, Indiana · 0.0 MI Int CR 700 N · Structure no. 5600035

Built
1960
65 years old, rebuilt 2012
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
145
2024 count
Owner
County
County Highway Agency

About this bridge

CR 100 E over Knight Ditch is a steel stringer/multi-beam or girder carrying CR 100 E over Knight Ditch in Newton County, Indiana. It was built in 1960 and reconstructed in 2012, so it is 65 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.

It carries about 145 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2044. The structure is 40 ft (12.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 100 E
CrossesKnight Ditch
Location0.0 MI Int CR 700 N
RouteCounty Highway 45
StateIndiana
Coordinates41.10073, -87.37178
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
Deck7 GoodSome minor problems.
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 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 closed3.7 mi (6 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 100 E over Knight Ditch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2012.

What condition is CR 100 E over Knight 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 100 E over Knight Ditch carry?

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

How long is CR 100 E over Knight Ditch?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns CR 100 E over Knight Ditch?

It is owned by the County Highway Agency.