US Bridges

Genesee Court over Rock Creek

Poor

Whiteside County, Illinois · So Edge of Morrison · Structure no. 098505700000000

Built
1981
44 years old
Condition
Poor
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
1,100
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Genesee Court over Rock Creek is a prestressed concrete box beam or girders - multiple carrying Genesee Court over Rock Creek in Whiteside 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,100 vehicles a day, roughly 7% of them trucks, projected to reach 1,111 by 2046. The structure is 133 ft (40.4 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGenesee Court
CrossesRock Creek
LocationSo Edge of Morrison
RouteCity Street 0
Coordinates41.7974, -89.97285
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span43 ft (13.1 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2021)
Projected traffic1,111 by 2046
Trucks7%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Genesee Court over Rock Creek built?

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

What condition is Genesee Court over Rock Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Genesee Court over Rock Creek carry?

About 1,100 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Genesee Court over Rock Creek?

The structure is 133 ft (40.4 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns Genesee Court over Rock Creek?

It is owned by the City or Municipal Highway Agency.