US Bridges

CR 400N over Crooked Creek

Fair

Porter County, Indiana · 00.70 E CR 575E · Structure no. 6400072

Built
1950
75 years old, rebuilt 1972
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
700
2018 count
Owner
County
County Highway Agency

About this bridge

CR 400N over Crooked Creek is a concrete slab carrying CR 400N over Crooked Creek in Porter County, Indiana. It was built in 1950 and reconstructed in 1972, so it is 75 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 5 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,320 by 2038. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR 400N
CrossesCrooked Creek
Location00.70 E CR 575E
RouteCounty Highway 190
StateIndiana
Coordinates41.4925, -86.94245
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span23 ft (7.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2018)
Projected traffic1,320 by 2038
Trucks6%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 400N over Crooked Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1972.

What condition is CR 400N over Crooked Creek 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 400N over Crooked Creek carry?

About 700 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 400N over Crooked Creek?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7.1 m) and a deck 29 ft wide.

Who owns CR 400N over Crooked Creek?

It is owned by the County Highway Agency.