US Bridges

185th Avenue over West Creek

Good

Lake County, Indiana · 00.30 E. of State Line · Structure no. 4500070

Built
1992
33 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
422
2012 count
Owner
County
County Highway Agency

About this bridge

185th Avenue over West Creek is a prestressed concrete box beam or girders - multiple carrying 185th Avenue over West Creek in Lake County, Indiana. It was built in 1992, so it is 33 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 422 vehicles a day, roughly 2% of them trucks, projected to reach 558 by 2040. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Carries185th Avenue
CrossesWest Creek
Location00.30 E. of State Line
RouteCounty Highway 0
StateIndiana
Coordinates41.28295, -87.51922
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating60.4 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2012)
Projected traffic558 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 185th Avenue over West Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 185th Avenue over West Creek 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 August 2024.

How much traffic does 185th Avenue over West Creek carry?

About 422 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is 185th Avenue over West Creek?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns 185th Avenue over West Creek?

It is owned by the County Highway Agency.