US Bridges

Perryville RD over Spring Creek

Fair

Winnebago County, Illinois · 0.4 MI N Spring Brk · Structure no. 101514100000000

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
21,200
2022 count
Owner
County
County Highway Agency

About this bridge

Perryville RD over Spring Creek is a concrete culvert carrying Perryville RD over Spring Creek in Winnebago County, Illinois. It was built in 1994, so it is 31 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 21,200 vehicles a day, roughly 2% of them trucks, projected to reach 11,009 by 2046. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPerryville RD
CrossesSpring Creek
Location0.4 MI N Spring Brk
CountyWinnebago County
StateIllinois
Coordinates42.31295, -88.9807
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating59.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,200 (2022)
Projected traffic11,009 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Perryville RD over Spring Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Perryville RD over Spring 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 April 2023.

How much traffic does Perryville RD over Spring Creek carry?

About 21,200 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Perryville RD over Spring Creek?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.6 m).

Who owns Perryville RD over Spring Creek?

It is owned by the County Highway Agency.