US Bridges

Flagg RD over Branch Kyte Creek

Good

Ogle County, Illinois · 5.5 MI NW Ashton · Structure no. 071500900000000

Built
1956
69 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
1,150
2022 count
Owner
County
County Highway Agency

About this bridge

Flagg RD over Branch Kyte Creek is a concrete culvert carrying Flagg RD over Branch Kyte Creek in Ogle County, Illinois. It was built in 1956, so it is 69 years old, older 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 1,150 vehicles a day, roughly 11% of them trucks, projected to reach 1,664 by 2046. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFlagg RD
CrossesBranch Kyte Creek
Location5.5 MI NW Ashton
RouteCounty Highway 0
Coordinates41.93149, -89.25275
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length29 ft (8.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2022)
Projected traffic1,664 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Flagg RD over Branch Kyte Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Flagg RD over Branch Kyte 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 July 2023.

How much traffic does Flagg RD over Branch Kyte Creek carry?

About 1,150 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Flagg RD over Branch Kyte Creek?

The structure is 29 ft (8.8 m) long with a longest span of 11 ft (3.4 m).

Who owns Flagg RD over Branch Kyte Creek?

It is owned by the County Highway Agency.