US Bridges

N Flansburg Road over Br of Pecatonica Riv

Fair

Stephenson County, Illinois · 4.0 MI E of Lena · Structure no. 089502100000000

Built
1947
78 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
225
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N Flansburg Road over Br of Pecatonica Riv is a concrete continuous culvert carrying N Flansburg Road over Br of Pecatonica Riv in Stephenson County, Illinois. It was built in 1947, so it is 78 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 225 vehicles a day, roughly 2% of them trucks, projected to reach 152 by 2046. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesN Flansburg Road
CrossesBr of Pecatonica Riv
Location4.0 MI E of Lena
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.38762, -89.73565
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length37 ft (11.2 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2024)
Projected traffic152 by 2046
Trucks2%
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

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 N Flansburg Road over Br of Pecatonica Riv built?

It was built in 1947, making it 78 years old in 2025.

What condition is N Flansburg Road over Br of Pecatonica Riv 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 December 2023.

How much traffic does N Flansburg Road over Br of Pecatonica Riv carry?

About 225 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is N Flansburg Road over Br of Pecatonica Riv?

The structure is 37 ft (11.2 m) long with a longest span of 18 ft (5.5 m).

Who owns N Flansburg Road over Br of Pecatonica Riv?

It is owned by the Town or Township Highway Agency.