US Bridges

US RTE 52 over E Br Aux Sable CR

Fair

Kendall County, Illinois · 6.5 MI E of Ill 47 · Structure no. 047006000000000

Built
2000
25 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

US RTE 52 over E Br Aux Sable CR is a steel continuous stringer/multi-beam or girder carrying US RTE 52 over E Br Aux Sable CR in Kendall County, Illinois. It was built in 2000, so it is 25 years old, younger than the Illinois average of 45.3 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 5,000 vehicles a day, roughly 20% of them trucks, projected to reach 5,852 by 2046. The structure is 147 ft (44.7 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS RTE 52
CrossesE Br Aux Sable CR
Location6.5 MI E of Ill 47
RouteU.S. Route 52
Coordinates41.51236, -88.31102
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 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 rating98.2 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.7 m)
Longest span56 ft (17 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic5,852 by 2046
Trucks20%
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

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 RTE 52 over E Br Aux Sable CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is US RTE 52 over E Br Aux Sable CR 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 January 2023.

How much traffic does US RTE 52 over E Br Aux Sable CR carry?

About 5,000 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is US RTE 52 over E Br Aux Sable CR?

The structure is 147 ft (44.7 m) long with a longest span of 56 ft (17 m) and a deck 35 ft wide.

Who owns US RTE 52 over E Br Aux Sable CR?

It is owned by the State Highway Agency.