US Bridges

Flagg Road over Kyte River

Good

Ogle County, Illinois · N Edge Rochelle · Structure no. 071331400000000

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
5,750
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Flagg Road over Kyte River is a prestressed concrete stringer/multi-beam or girder carrying Flagg Road over Kyte River in Ogle County, Illinois. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,750 vehicles a day, roughly 4% of them trucks, projected to reach 4,160 by 2046. The structure is 67 ft (20.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFlagg Road
CrossesKyte River
LocationN Edge Rochelle
Coordinates41.94127, -89.06338
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span61 ft (18.7 m)
Deck width30 ft (9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,750 (2022)
Projected traffic4,160 by 2046
Trucks4%
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

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 Flagg Road over Kyte River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Flagg Road over Kyte 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 March 2024.

How much traffic does Flagg Road over Kyte River carry?

About 5,750 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Flagg Road over Kyte River?

The structure is 67 ft (20.4 m) long with a longest span of 61 ft (18.7 m) and a deck 30 ft wide.

Who owns Flagg Road over Kyte River?

It is owned by the City or Municipal Highway Agency.