US Bridges

CR 800S over Topper Ditch

Fair

LaPorte County, Indiana · 01.00 W CR 800 W · Structure no. 4600029

Built
1983
42 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
775
2022 count
Owner
County
County Highway Agency

About this bridge

CR 800S over Topper Ditch is a steel culvert carrying CR 800S over Topper Ditch in LaPorte County, Indiana. It was built in 1983, so it is 42 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 775 vehicles a day, roughly 5% of them trucks, projected to reach 1,350 by 2042. The structure is 22 ft (6.7 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 800S
CrossesTopper Ditch
Location01.00 W CR 800 W
RouteCounty Highway 40
StateIndiana
Coordinates41.49192, -86.87294
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width60 ft (18.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2022)
Projected traffic1,350 by 2042
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 800S over Topper Ditch built?

It was built in 1983, making it 42 years old in 2025.

What condition is CR 800S over Topper 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 September 2024.

How much traffic does CR 800S over Topper Ditch carry?

About 775 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 800S over Topper Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m) and a deck 60 ft wide.

Who owns CR 800S over Topper Ditch?

It is owned by the County Highway Agency.