US Bridges

River Road over Mayberry Creek

Good

Winnebago County, Illinois · 1.8 MI S Genoa Road · Structure no. 101309000000000

Built
1998
27 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
175
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

River Road over Mayberry Creek is a concrete continuous slab carrying River Road over Mayberry Creek in Winnebago 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, roughly 9% of them trucks, projected to reach 177 by 2046. The structure is 86 ft (26.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRiver Road
CrossesMayberry Creek
Location1.8 MI S Genoa Road
RouteCounty Highway 0
Coordinates42.19936, -88.95602
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating53.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span32 ft (9.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic177 by 2046
Trucks9%
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 River Road over Mayberry Creek built?

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

What condition is River Road over Mayberry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does River Road over Mayberry Creek carry?

About 175 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is River Road over Mayberry Creek?

The structure is 86 ft (26.2 m) long with a longest span of 32 ft (9.9 m) and a deck 30 ft wide.

Who owns River Road over Mayberry Creek?

It is owned by the Town or Township Highway Agency.