US Bridges

Millington RD over Fox River

Good

Kendall County, Illinois · CH3 over Fox River · Structure no. 047300000000000

Built
1958
67 years old, rebuilt 2000
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
452 ft
3 main spans
Daily traffic
1,750
2024 count
Owner
County
County Highway Agency

About this bridge

Millington RD over Fox River is a steel continuous stringer/multi-beam or girder carrying Millington RD over Fox River in Kendall County, Illinois. It was built in 1958 and reconstructed in 2000, so it is 67 years old, older 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 1,750 vehicles a day, roughly 5% of them trucks, projected to reach 2,062 by 2046. The structure is 452 ft (137.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMillington RD
CrossesFox River
LocationCH3 over Fox River
RouteCounty Highway 0
CountyKendall County
StateIllinois
Coordinates41.56891, -88.59999
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating75.4 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length452 ft (137.7 m)
Longest span150 ft (45.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2024)
Projected traffic2,062 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Millington RD over Fox River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2000.

What condition is Millington RD over Fox River 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 2024.

How much traffic does Millington RD over Fox River carry?

About 1,750 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Millington RD over Fox River?

The structure is 452 ft (137.7 m) long with a longest span of 150 ft (45.7 m) and a deck 31 ft wide.

Who owns Millington RD over Fox River?

It is owned by the County Highway Agency.