US Bridges

Hoover Rd. over Sugar Creek

Fair

Whiteside County, Illinois · 2 MI N. Sterling · Structure no. 098555100000000

Built
1967
58 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
675
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hoover Rd. over Sugar Creek is a concrete continuous slab carrying Hoover Rd. over Sugar Creek in Whiteside County, Illinois. It was built in 1967, so it is 58 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 675 vehicles a day, roughly 1% of them trucks, projected to reach 682 by 2046. The structure is 105 ft (31.9 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHoover Rd.
CrossesSugar Creek
Location2 MI N. Sterling
RouteCounty Highway 0
Coordinates41.83946, -89.68838
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (31.9 m)
Longest span39 ft (11.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2021)
Projected traffic682 by 2046
Trucks1%
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 Hoover Rd. over Sugar Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Hoover Rd. over Sugar 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 2024.

How much traffic does Hoover Rd. over Sugar Creek carry?

About 675 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Hoover Rd. over Sugar Creek?

The structure is 105 ft (31.9 m) long with a longest span of 39 ft (11.8 m) and a deck 29 ft wide.

Who owns Hoover Rd. over Sugar Creek?

It is owned by the Town or Township Highway Agency.