US Bridges

Diamond Lake Road over Indian Creek

Good

Lake County, Illinois · 0.75M N of Gilmer RD · Structure no. 049300700000000

Built
2015
10 years old
Condition
Good
inspected May 2024
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
2,650
2023 count
Owner
County
County Highway Agency

About this bridge

Diamond Lake Road over Indian Creek is a concrete frame carrying Diamond Lake Road over Indian Creek in Lake County, Illinois. It was built in 2015, so it is 10 years old, younger than the Illinois average of 45.3 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 2,650 vehicles a day, roughly 6% of them trucks, projected to reach 3,434 by 2046. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDiamond Lake Road
CrossesIndian Creek
Location0.75M N of Gilmer RD
Coordinates42.22408, -88.0042
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.5 m)
Longest span31 ft (9.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic3,434 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Diamond Lake Road over Indian Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Diamond Lake Road over Indian 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 May 2024.

How much traffic does Diamond Lake Road over Indian Creek carry?

About 2,650 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Diamond Lake Road over Indian Creek?

The structure is 31 ft (9.5 m) long with a longest span of 31 ft (9.4 m).

Who owns Diamond Lake Road over Indian Creek?

It is owned by the County Highway Agency.