US Bridges

US 34 over Waubansee Creek

Fair

Kendall County, Illinois · E.Limits of Oswego · Structure no. 047005400000000

Built
2001
24 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
102 ft
3 main spans
Daily traffic
22,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 34 over Waubansee Creek is a concrete slab carrying US 34 over Waubansee Creek in Kendall County, Illinois. It was built in 2001, so it is 24 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 22,300 vehicles a day, roughly 4% of them trucks, projected to reach 28,728 by 2046. The structure is 102 ft (31.2 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 34
CrossesWaubansee Creek
LocationE.Limits of Oswego
RouteU.S. Route 34
Coordinates41.69069, -88.3366
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span38 ft (11.5 m)
Deck width70 ft (21.2 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2023)
Projected traffic28,728 by 2046
Trucks4%
Lanes on structure4
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 US 34 over Waubansee Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 34 over Waubansee Creek 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 February 2024.

How much traffic does US 34 over Waubansee Creek carry?

About 22,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 34 over Waubansee Creek?

The structure is 102 ft (31.2 m) long with a longest span of 38 ft (11.5 m) and a deck 70 ft wide.

Who owns US 34 over Waubansee Creek?

It is owned by the State Highway Agency.