US Bridges

Genoa Road over Deer Creek

Fair

DeKalb County, Illinois · 3315N 1170E · Structure no. 019305000000000

Built
1998
27 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
3,000
2021 count
Owner
County
County Highway Agency

About this bridge

Genoa Road over Deer Creek is a prestressed concrete stringer/multi-beam or girder carrying Genoa Road over Deer Creek in DeKalb County, Illinois. It was built in 1998, so it is 27 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 3,000 vehicles a day, roughly 7% of them trucks, projected to reach 3,360 by 2046. The structure is 87 ft (26.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGenoa Road
CrossesDeer Creek
Location3315N 1170E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates42.11157, -88.72176
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.4 m)
Longest span83 ft (25.3 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2021)
Projected traffic3,360 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Genoa Road over Deer Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Genoa Road over Deer 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 March 2024.

How much traffic does Genoa Road over Deer Creek carry?

About 3,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Genoa Road over Deer Creek?

The structure is 87 ft (26.4 m) long with a longest span of 83 ft (25.3 m) and a deck 40 ft wide.

Who owns Genoa Road over Deer Creek?

It is owned by the County Highway Agency.