US Bridges

First Ave over Ryley Ditch

Good

Ogle County, Illinois · East Edge Rochelle · Structure no. 071601300000000

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
2,200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

First Ave over Ryley Ditch is a aluminum, wrought iron, or cast iron culvert carrying First Ave over Ryley Ditch in Ogle County, Illinois. It was built in 2004, so it is 21 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 2,200 vehicles a day, roughly 22% of them trucks, projected to reach 2,236 by 2046. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFirst Ave
CrossesRyley Ditch
LocationEast Edge Rochelle
Coordinates41.91967, -89.05303
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic2,236 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 First Ave over Ryley Ditch built?

It was built in 2004, making it 21 years old in 2025.

What condition is First Ave over Ryley Ditch 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 March 2024.

How much traffic does First Ave over Ryley Ditch carry?

About 2,200 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is First Ave over Ryley Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.2 m).

Who owns First Ave over Ryley Ditch?

It is owned by the City or Municipal Highway Agency.