US Bridges

Il 7 over Milne Creek

Good

Will County, Illinois · 0.7 M E of Il 171 · Structure no. 099027300000000

Built
1988
37 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
15,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 7 over Milne Creek is a concrete continuous culvert carrying Il 7 over Milne Creek in Will County, Illinois. It was built in 1988, so it is 37 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 15,200 vehicles a day, roughly 12% of them trucks, projected to reach 21,024 by 2046. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 7
CrossesMilne Creek
Location0.7 M E of Il 171
RouteState Highway 7
Coordinates41.589, -88.04571
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
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 rating79.3 US tons
Inventory rating47.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,200 (2023)
Projected traffic21,024 by 2046
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Il 7 over Milne Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Il 7 over Milne 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 October 2021.

How much traffic does Il 7 over Milne Creek carry?

About 15,200 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 7 over Milne Creek?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns Il 7 over Milne Creek?

It is owned by the State Highway Agency.