US Bridges

Il 2 over Stream

Fair

Ogle County, Illinois · 4 MI N Grand Detour · Structure no. 071008100000000

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
3,350
2023 count
Owner
State
State Highway Agency

About this bridge

Il 2 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Il 2 over Stream in Ogle County, Illinois. It was built in 1990, so it is 35 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 3,350 vehicles a day, roughly 8% of them trucks, projected to reach 3,744 by 2046. The structure is 63 ft (19.1 m) long and 48 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesIl 2
CrossesStream
Location4 MI N Grand Detour
RouteState Highway 2
Coordinates41.95351, -89.38685
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length63 ft (19.1 m)
Longest span60 ft (18.3 m)
Deck width48 ft (14.7 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2023)
Projected traffic3,744 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is Il 2 over Stream 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 August 2024.

How much traffic does Il 2 over Stream carry?

About 3,350 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 2 over Stream?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.3 m) and a deck 48 ft wide.

Who owns Il 2 over Stream?

It is owned by the State Highway Agency.