US Bridges

CR 300S over Crooked Creek

Fair

Porter County, Indiana · 00.10 E CR 525 E · Structure no. 6400012

Built
1930
95 years old, rebuilt 1961
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
440
2018 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying CR 300S over Crooked Creek in Porter County, Indiana. It was built in 1930 and reconstructed in 1961, so it is 95 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 440 vehicles a day, roughly 6% of them trucks, projected to reach 830 by 2038. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 300S
CrossesCrooked Creek
Location00.10 E CR 525 E
RouteCounty Highway 30
StateIndiana
Coordinates41.39067, -86.96234
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.4 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2018)
Projected traffic830 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 300S over Crooked Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1961.

What condition is CR 300S 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 300S over Crooked Creek carry?

About 440 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 300S over Crooked Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns CR 300S over Crooked Creek?

It is owned by the County Highway Agency.