US Bridges

SR 55 over Turkey Creek

Fair

Lake County, Indiana · 01.92 N US 30 · Structure no. 019880

Built
1993
32 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
19,257
2004 count
Owner
State
State Highway Agency

About this bridge

SR 55 over Turkey Creek is a concrete continuous slab carrying SR 55 over Turkey Creek in Lake County, Indiana. It was built in 1993, so it is 32 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 19,257 vehicles a day, roughly 5% of them trucks, projected to reach 27,133 by 2029. The structure is 84 ft (25.6 m) long and 48 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR 55
CrossesTurkey Creek
Location01.92 N US 30
RouteState Highway 55
CountyLake County
StateIndiana
Coordinates41.49875, -87.36506
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span32 ft (9.7 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,257 (2004)
Projected traffic27,133 by 2029
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Turkey Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 55 over Turkey 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 September 2023.

How much traffic does SR 55 over Turkey Creek carry?

About 19,257 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is SR 55 over Turkey Creek?

The structure is 84 ft (25.6 m) long with a longest span of 32 ft (9.7 m) and a deck 48 ft wide.

Who owns SR 55 over Turkey Creek?

It is owned by the State Highway Agency.