US Bridges

Il 2 over Leaf River

Good

Ogle County, Illinois · 3 Mi. Sw. of Byron · Structure no. 071008700000000

Built
1995
30 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
5,950
2023 count
Owner
State
State Highway Agency

About this bridge

Il 2 over Leaf River is a steel continuous stringer/multi-beam or girder carrying Il 2 over Leaf River in Ogle County, Illinois. It was built in 1995, so it is 30 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 5,950 vehicles a day, roughly 6% of them trucks, projected to reach 2,938 by 2046. The structure is 260 ft (79.2 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIl 2
CrossesLeaf River
Location3 Mi. Sw. of Byron
RouteState Highway 2
Coordinates42.09961, -89.32189
Functional classRural Principal Arterial - Other

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating98.2 US tons
Inventory rating67.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2023)
Projected traffic2,938 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 2 over Leaf River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Il 2 over Leaf 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 September 2024.

How much traffic does Il 2 over Leaf River carry?

About 5,950 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 2 over Leaf River?

The structure is 260 ft (79.2 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns Il 2 over Leaf River?

It is owned by the State Highway Agency.