US Bridges

US 30 over Dyer Ditch

Good

Lake County, Indiana · 01.10 W US 41 · Structure no. 008071

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
36,917
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over Dyer Ditch is a steel stringer/multi-beam or girder carrying US 30 over Dyer Ditch in Lake County, Indiana. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,917 vehicles a day, roughly 5% of them trucks, projected to reach 38,911 by 2043. The structure is 59 ft (18.1 m) long and 85 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 30
CrossesDyer Ditch
Location01.10 W US 41
RouteU.S. Route 30
StateIndiana
Coordinates41.49129, -87.49184
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating107.1 US tons
Inventory rating82.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length59 ft (18.1 m)
Longest span58 ft (17.6 m)
Deck width85 ft (25.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,917 (2023)
Projected traffic38,911 by 2043
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 US 30 over Dyer Ditch built?

It was built in 2024, making it 1 years old in 2025.

What condition is US 30 over Dyer 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 December 2024.

How much traffic does US 30 over Dyer Ditch carry?

About 36,917 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 30 over Dyer Ditch?

The structure is 59 ft (18.1 m) long with a longest span of 58 ft (17.6 m) and a deck 85 ft wide.

Who owns US 30 over Dyer Ditch?

It is owned by the State Highway Agency.