US Bridges

Fern Dell RD over Roods Ck

Fair

Kendall County, Illinois · 0.2 MI E of Line RD · Structure no. 047311700000000

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
80 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Fern Dell RD over Roods Ck is a concrete channel beam carrying Fern Dell RD over Roods Ck in Kendall County, Illinois. It was built in 1981, so it is 44 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 50 vehicles a day, projected to reach 67 by 2046. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFern Dell RD
CrossesRoods Ck
Location0.2 MI E of Line RD
RouteCounty Highway 0
Coordinates41.50791, -88.59716
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.4 US tons
Inventory rating45.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span26 ft (7.9 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic67 by 2046
Trucks0%
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 Fern Dell RD over Roods Ck built?

It was built in 1981, making it 44 years old in 2025.

What condition is Fern Dell RD over Roods Ck 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 September 2024.

How much traffic does Fern Dell RD over Roods Ck carry?

About 50 vehicles per day (2024 count).

How long is Fern Dell RD over Roods Ck?

The structure is 80 ft (24.4 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Fern Dell RD over Roods Ck?

It is owned by the Town or Township Highway Agency.