US Bridges

CR 1550 S over Montgomery Ditch

Fair

Newton County, Indiana · 0.2 MI E CR 50 E · Structure no. 5600053

Built
1999
26 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
288
2024 count
Owner
County
County Highway Agency

About this bridge

CR 1550 S over Montgomery Ditch is a prestressed concrete box beam or girders - multiple carrying CR 1550 S over Montgomery Ditch in Newton County, Indiana. It was built in 1999, so it is 26 years old, younger 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 288 vehicles a day, roughly 5% of them trucks, projected to reach 381 by 2044. The structure is 80 ft (24.3 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 1550 S
CrossesMontgomery Ditch
Location0.2 MI E CR 50 E
RouteCounty Highway 6
StateIndiana
Coordinates40.77278, -87.37755
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length80 ft (24.3 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2024)
Projected traffic381 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 1550 S over Montgomery Ditch built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR 1550 S over Montgomery 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 1550 S over Montgomery Ditch carry?

About 288 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 1550 S over Montgomery Ditch?

The structure is 80 ft (24.3 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns CR 1550 S over Montgomery Ditch?

It is owned by the County Highway Agency.