US Bridges

Epworth RD over Kishwaukeeriver

Fair

Boone County, Illinois · 3.MI E of Belvidere · Structure no. 004307800000000

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
215 ft
3 main spans
Daily traffic
450
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Epworth RD over Kishwaukeeriver is a prestressed concrete box beam or girders - multiple carrying Epworth RD over Kishwaukeeriver in Boone County, Illinois. It was built in 1985, so it is 40 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 5 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 450 vehicles a day, roughly 33% of them trucks, projected to reach 468 by 2046. The structure is 215 ft (65.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesEpworth RD
CrossesKishwaukeeriver
Location3.MI E of Belvidere
RouteCounty Highway 0
CountyBoone County
StateIllinois
Coordinates42.25787, -88.76912
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length215 ft (65.4 m)
Longest span71 ft (21.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic468 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Epworth RD over Kishwaukeeriver built?

It was built in 1985, making it 40 years old in 2025.

What condition is Epworth RD over Kishwaukeeriver 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 Epworth RD over Kishwaukeeriver carry?

About 450 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Epworth RD over Kishwaukeeriver?

The structure is 215 ft (65.4 m) long with a longest span of 71 ft (21.6 m) and a deck 27 ft wide.

Who owns Epworth RD over Kishwaukeeriver?

It is owned by the Town or Township Highway Agency.