US Bridges

SR 55 over Brown Ditch

Good

Lake County, Indiana · 04.52 S SR 2 · Structure no. 019841

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
2,380
2014 count
Owner
State
State Highway Agency

About this bridge

SR 55 over Brown Ditch is a prestressed concrete tee beam carrying SR 55 over Brown Ditch in Lake County, Indiana. It was built in 2014, so it is 11 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,380 vehicles a day, roughly 2% of them trucks, projected to reach 2,980 by 2034. The structure is 70 ft (21.4 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 55
CrossesBrown Ditch
Location04.52 S SR 2
RouteState Highway 55
StateIndiana
Coordinates41.22428, -87.34339
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating37.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length70 ft (21.4 m)
Longest span68 ft (20.8 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,380 (2014)
Projected traffic2,980 by 2034
Trucks2%
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

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 55 over Brown Ditch built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR 55 over Brown 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 September 2023.

How much traffic does SR 55 over Brown Ditch carry?

About 2,380 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is SR 55 over Brown Ditch?

The structure is 70 ft (21.4 m) long with a longest span of 68 ft (20.8 m) and a deck 37 ft wide.

Who owns SR 55 over Brown Ditch?

It is owned by the State Highway Agency.