US Bridges

CR 150E over Ahlgrim Ditch

Fair

Porter County, Indiana · 00.10 N 500 S · Structure no. 6400020

Built
1996
29 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
340
2018 count
Owner
County
County Highway Agency

About this bridge

CR 150E over Ahlgrim Ditch is a prestressed concrete box beam or girders - multiple carrying CR 150E over Ahlgrim Ditch in Porter County, Indiana. It was built in 1996, so it is 29 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 340 vehicles a day, roughly 6% of them trucks, projected to reach 640 by 2038. The structure is 36 ft (10.9 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCR 150E
CrossesAhlgrim Ditch
Location00.10 N 500 S
RouteCounty Highway 47
CountyPorter County
StateIndiana
Coordinates41.36329, -87.03661
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2018)
Projected traffic640 by 2038
Trucks6%
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 150E over Ahlgrim Ditch built?

It was built in 1996, making it 29 years old in 2025.

What condition is CR 150E over Ahlgrim 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 May 2024.

How much traffic does CR 150E over Ahlgrim Ditch carry?

About 340 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 150E over Ahlgrim Ditch?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 26 ft wide.

Who owns CR 150E over Ahlgrim Ditch?

It is owned by the County Highway Agency.