US Bridges

173rd Avenue over Bryant Ditch

Fair

Lake County, Indiana · 00.20 E of Mississippi · Structure no. 4500187

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
10
2012 count
Owner
County
County Highway Agency

About this bridge

173rd Avenue over Bryant Ditch is a steel culvert carrying 173rd Avenue over Bryant Ditch in Lake County, Indiana. It was built in 1970, so it is 55 years old, older 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 5 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 14 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Carries173rd Avenue
CrossesBryant Ditch
Location00.20 E of Mississippi
RouteCounty Highway 0
StateIndiana
Coordinates41.30383, -87.30976
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: 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 rating107.1 US tons
Inventory rating87.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2012)
Projected traffic14 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 173rd Avenue over Bryant Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is 173rd Avenue over Bryant 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 August 2024.

How much traffic does 173rd Avenue over Bryant Ditch carry?

About 10 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 173rd Avenue over Bryant Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns 173rd Avenue over Bryant Ditch?

It is owned by the County Highway Agency.