US Bridges

SR 8 over Cornell Ditch

Good

Porter County, Indiana · 04.80 E US 231 · Structure no. 002120

Built
1952
73 years old, rebuilt 2020
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
4,768
2022 count
Owner
State
State Highway Agency

About this bridge

SR 8 over Cornell Ditch is a steel stringer/multi-beam or girder carrying SR 8 over Cornell Ditch in Porter County, Indiana. It was built in 1952 and reconstructed in 2020, so it is 73 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,768 vehicles a day, roughly 23% of them trucks, projected to reach 3,889 by 2040. The structure is 27 ft (8.2 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 8
CrossesCornell Ditch
Location04.80 E US 231
RouteState Highway 8
CountyPorter County
StateIndiana
Coordinates41.31835, -87.10779
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,768 (2022)
Projected traffic3,889 by 2040
Trucks23%
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

OwnerState Highway Agency
Maintained byState 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 SR 8 over Cornell Ditch built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2020.

What condition is SR 8 over Cornell Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does SR 8 over Cornell Ditch carry?

About 4,768 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is SR 8 over Cornell Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 41 ft wide.

Who owns SR 8 over Cornell Ditch?

It is owned by the State Highway Agency.