US Bridges

CR 100 E over Narrows Ditch

Good

Newton County, Indiana · 0.5 MI S Division RD · Structure no. 5600015

Built
1970
55 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
145
2024 count
Owner
County
County Highway Agency

About this bridge

CR 100 E over Narrows Ditch is a concrete continuous slab carrying CR 100 E over Narrows Ditch in Newton County, Indiana. It was built in 1970, so it is 55 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 145 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2044. The structure is 53 ft (16.3 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR 100 E
CrossesNarrows Ditch
Location0.5 MI S Division RD
RouteCounty Highway 43
StateIndiana
Coordinates40.99149, -87.37162
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length53 ft (16.3 m)
Longest span20 ft (6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 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 closed5.6 mi (9 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 Narrows Ditch built?

It was built in 1970, making it 55 years old in 2025.

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

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

How long is CR 100 E over Narrows Ditch?

The structure is 53 ft (16.3 m) long with a longest span of 20 ft (6 m) and a deck 28 ft wide.

Who owns CR 100 E over Narrows Ditch?

It is owned by the County Highway Agency.