US Bridges

Brooke and 9th ST over S.E. Drainageway

Fair

Winnebago County, Illinois · At Brooke and 9th ST · Structure no. 101608200000000

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
4,800
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Brooke and 9th ST over S.E. Drainageway is a concrete culvert carrying Brooke and 9th ST over S.E. Drainageway in Winnebago County, Illinois. It was built in 1967, so it is 58 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 6 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 4,800 vehicles a day, roughly 10% of them trucks, projected to reach 4,848 by 2046. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBrooke and 9th ST
CrossesS.E. Drainageway
LocationAt Brooke and 9th ST
CountyWinnebago County
StateIllinois
Coordinates42.23031, -89.07697
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2017)
Projected traffic4,848 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Brooke and 9th ST over S.E. Drainageway built?

It was built in 1967, making it 58 years old in 2025.

What condition is Brooke and 9th ST over S.E. Drainageway 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 August 2023.

How much traffic does Brooke and 9th ST over S.E. Drainageway carry?

About 4,800 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Brooke and 9th ST over S.E. Drainageway?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m).

Who owns Brooke and 9th ST over S.E. Drainageway?

It is owned by the City or Municipal Highway Agency.