US Bridges

Blomberg Rd. over S Br Kishwaukee Rivr

Fair

Winnebago County, Illinois · At River Road · Structure no. 101309400000000

Built
2003
22 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
306 ft
3 main spans
Daily traffic
725
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Blomberg Rd. over S Br Kishwaukee Rivr is a steel continuous stringer/multi-beam or girder carrying Blomberg Rd. over S Br Kishwaukee Rivr in Winnebago County, Illinois. It was built in 2003, so it is 22 years old, younger 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 725 vehicles a day, roughly 5% of them trucks, projected to reach 909 by 2046. The structure is 306 ft (93.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesBlomberg Rd.
CrossesS Br Kishwaukee Rivr
LocationAt River Road
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.18006, -88.9512
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length306 ft (93.3 m)
Longest span120 ft (36.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2022)
Projected traffic909 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Blomberg Rd. over S Br Kishwaukee Rivr built?

It was built in 2003, making it 22 years old in 2025.

What condition is Blomberg Rd. over S Br Kishwaukee Rivr 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 Blomberg Rd. over S Br Kishwaukee Rivr carry?

About 725 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Blomberg Rd. over S Br Kishwaukee Rivr?

The structure is 306 ft (93.3 m) long with a longest span of 120 ft (36.6 m) and a deck 32 ft wide.

Who owns Blomberg Rd. over S Br Kishwaukee Rivr?

It is owned by the Town or Township Highway Agency.