US Bridges

CR 1000S over Cobbs Creek

Fair

Porter County, Indiana · 00.20 E CR 625 W · Structure no. 6400042

Built
1930
95 years old, rebuilt 1965
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
980
2018 count
Owner
County
County Highway Agency

About this bridge

CR 1000S over Cobbs Creek is a prestressed concrete box beam or girders - multiple carrying CR 1000S over Cobbs Creek in Porter County, Indiana. It was built in 1930 and reconstructed in 1965, 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 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 980 vehicles a day, roughly 6% of them trucks, projected to reach 1,850 by 2038. The structure is 55 ft (16.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 1000S
CrossesCobbs Creek
Location00.20 E CR 625 W
RouteCounty Highway 1000
StateIndiana
Coordinates41.28869, -87.18035
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length55 ft (16.7 m)
Longest span53 ft (16.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2018)
Projected traffic1,850 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1000S over Cobbs Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1965.

What condition is CR 1000S over Cobbs 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 1000S over Cobbs Creek carry?

About 980 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 1000S over Cobbs Creek?

The structure is 55 ft (16.7 m) long with a longest span of 53 ft (16.1 m) and a deck 26 ft wide.

Who owns CR 1000S over Cobbs Creek?

It is owned by the County Highway Agency.