US Bridges

109th Avenue over Niles Ditch

Fair

Lake County, Indiana · 00.10 E of Colorado · Structure no. 4500217

Built
2008
17 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
16,385
2018 count
Owner
County
County Highway Agency

About this bridge

109th Avenue over Niles Ditch is a concrete continuous slab carrying 109th Avenue over Niles Ditch in Lake County, Indiana. It was built in 2008, so it is 17 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 16,385 vehicles a day, roughly 5% of them trucks, projected to reach 19,993 by 2038. The structure is 74 ft (22.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries109th Avenue
CrossesNiles Ditch
Location00.10 E of Colorado
RouteCounty Highway 0
CountyLake County
StateIndiana
Coordinates41.42016, -87.29464
Functional classUrban Minor 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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span28 ft (8.6 m)
Deck width40 ft (12.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,385 (2018)
Projected traffic19,993 by 2038
Trucks5%
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

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 109th Avenue over Niles Ditch built?

It was built in 2008, making it 17 years old in 2025.

What condition is 109th Avenue over Niles 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 109th Avenue over Niles Ditch carry?

About 16,385 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 109th Avenue over Niles Ditch?

The structure is 74 ft (22.5 m) long with a longest span of 28 ft (8.6 m) and a deck 40 ft wide.

Who owns 109th Avenue over Niles Ditch?

It is owned by the County Highway Agency.