US Bridges

CR 450E over Armentrout Dredge Ditch

Fair

Montgomery County, Indiana · 00.50 N of CR 700 N · Structure no. 5400012

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

CR 450E over Armentrout Dredge Ditch is a steel culvert carrying CR 450E over Armentrout Dredge Ditch in Montgomery County, Indiana. It was built in 1975, so it is 50 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2044. The structure is 21 ft (6.5 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 450E
CrossesArmentrout Dredge Ditch
Location00.50 N of CR 700 N
RouteCounty Highway 67
CountyMontgomery County
StateIndiana
Coordinates40.15041, -86.81919
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.5 m)
Longest span21 ft (6.4 m)
Deck width74 ft (22.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic225 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 450E over Armentrout Dredge Ditch built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR 450E over Armentrout Dredge 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 April 2024.

How much traffic does CR 450E over Armentrout Dredge Ditch carry?

About 150 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 450E over Armentrout Dredge Ditch?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.4 m) and a deck 74 ft wide.

Who owns CR 450E over Armentrout Dredge Ditch?

It is owned by the County Highway Agency.