US Bridges

N. Flansburg Road over Br. Pecatonica River

Good

Stephenson County, Illinois · .4 MI S Cedarvil. RD · Structure no. 089511900000000

Built
1998
27 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
275
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N. Flansburg Road over Br. Pecatonica River is a concrete culvert carrying N. Flansburg Road over Br. Pecatonica River in Stephenson County, Illinois. It was built in 1998, so it is 27 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 275 vehicles a day, roughly 2% of them trucks, projected to reach 227 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesN. Flansburg Road
CrossesBr. Pecatonica River
Location.4 MI S Cedarvil. RD
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.36685, -89.72995
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2024)
Projected traffic227 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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. Pecatonica River built?

It was built in 1998, making it 27 years old in 2025.

What condition is N. Flansburg Road over Br. Pecatonica River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2021.

How much traffic does N. Flansburg Road over Br. Pecatonica River carry?

About 275 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is N. Flansburg Road over Br. Pecatonica River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m).

Who owns N. Flansburg Road over Br. Pecatonica River?

It is owned by the Town or Township Highway Agency.