US Bridges

Rockton RD over Raccoon Creek

Fair

Winnebago County, Illinois · 2 MI W of Rockton · Structure no. 101307900000000

Built
1989
36 years old
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
2,250
2022 count
Owner
County
County Highway Agency

About this bridge

Rockton RD over Raccoon Creek is a steel continuous stringer/multi-beam or girder carrying Rockton RD over Raccoon Creek in Winnebago County, Illinois. It was built in 1989, so it is 36 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 2,250 vehicles a day, roughly 4% of them trucks, projected to reach 2,222 by 2046. The structure is 134 ft (40.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRockton RD
CrossesRaccoon Creek
Location2 MI W of Rockton
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.45805, -89.12768
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span51 ft (15.6 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2022)
Projected traffic2,222 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Rockton RD over Raccoon Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Rockton RD over Raccoon Creek 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 July 2022.

How much traffic does Rockton RD over Raccoon Creek carry?

About 2,250 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Rockton RD over Raccoon Creek?

The structure is 134 ft (40.8 m) long with a longest span of 51 ft (15.6 m) and a deck 36 ft wide.

Who owns Rockton RD over Raccoon Creek?

It is owned by the County Highway Agency.