US Bridges

Il 64 over Elkhorn Creek

Good

Ogle County, Illinois · 0.7 Miles E of 52 · Structure no. 071009300000000

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
625
2021 count
Owner
State
State Highway Agency

About this bridge

Il 64 over Elkhorn Creek is a steel continuous stringer/multi-beam or girder carrying Il 64 over Elkhorn Creek in Ogle County, Illinois. It was built in 2002, so it is 23 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 625 vehicles a day, roughly 16% of them trucks, projected to reach 650 by 2046. The structure is 220 ft (67.1 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 64
CrossesElkhorn Creek
Location0.7 Miles E of 52
RouteState Highway 64
Coordinates42.05408, -89.67452
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic650 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Il 64 over Elkhorn Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Il 64 over Elkhorn Creek 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 June 2024.

How much traffic does Il 64 over Elkhorn Creek carry?

About 625 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is Il 64 over Elkhorn Creek?

The structure is 220 ft (67.1 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns Il 64 over Elkhorn Creek?

It is owned by the State Highway Agency.