US Bridges

N Flansberg Road over Waddams Creek

Fair

Stephenson County, Illinois · 4.5 MI NE of Lena · Structure no. 089311300000000

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
225
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N Flansberg Road over Waddams Creek is a concrete continuous slab carrying N Flansberg Road over Waddams Creek in Stephenson County, Illinois. It was built in 1962, so it is 63 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 80 ft (24.5 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesN Flansberg Road
CrossesWaddams Creek
Location4.5 MI NE of Lena
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.41158, -89.74205
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length80 ft (24.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.5 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 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 Flansberg Road over Waddams Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is N Flansberg Road over Waddams 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 December 2023.

How much traffic does N Flansberg Road over Waddams Creek carry?

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

How long is N Flansberg Road over Waddams Creek?

The structure is 80 ft (24.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns N Flansberg Road over Waddams Creek?

It is owned by the Town or Township Highway Agency.