US Bridges

N Sunnyside Road over Yellow Creek

Fair

Stephenson County, Illinois · 0.8 MI So US RTE 20 · Structure no. 089325000000000

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
89 ft
3 main spans
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N Sunnyside Road over Yellow Creek is a concrete channel beam carrying N Sunnyside Road over Yellow Creek in Stephenson County, Illinois. It was built in 1986, so it is 39 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 51 by 2046. The structure is 89 ft (27.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesN Sunnyside Road
CrossesYellow Creek
Location0.8 MI So US RTE 20
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.34406, -89.91336
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sunnyside Road over Yellow Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is N Sunnyside Road over Yellow 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 September 2023.

How much traffic does N Sunnyside Road over Yellow Creek carry?

About 50 vehicles per day (2019 count).

How long is N Sunnyside Road over Yellow Creek?

The structure is 89 ft (27.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns N Sunnyside Road over Yellow Creek?

It is owned by the Town or Township Highway Agency.