US Bridges

Crowley RD over N Br Otter Creek

Fair

Winnebago County, Illinois · 0.5 MI N Fritz Road · Structure no. 101306500000000

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
55 ft
4 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

Crowley RD over N Br Otter Creek is a concrete continuous culvert carrying Crowley RD over N Br Otter Creek in Winnebago County, Illinois. It was built in 1966, so it is 59 years old, older 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 5 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 200 vehicles a day, roughly 33% of them trucks, projected to reach 202 by 2046. The structure is 55 ft (16.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCrowley RD
CrossesN Br Otter Creek
Location0.5 MI N Fritz Road
RouteCity Street 0
Coordinates42.44024, -89.32244
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic202 by 2046
Trucks33%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Crowley RD over N Br Otter Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Crowley RD over N Br Otter 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 April 2024.

How much traffic does Crowley RD over N Br Otter Creek carry?

About 200 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is Crowley RD over N Br Otter Creek?

The structure is 55 ft (16.9 m) long with a longest span of 15 ft (4.5 m).

Who owns Crowley RD over N Br Otter Creek?

It is owned by the County Highway Agency.