US Bridges

Ill 84 over Trib of Apple River

Fair

Jo Daviess County, Illinois · 2.6 MI South US 20 · Structure no. 043200100000000

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 84 over Trib of Apple River is a concrete culvert carrying Ill 84 over Trib of Apple River in Jo Daviess County, Illinois. It was built in 1984, so it is 41 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 1,700 vehicles a day, roughly 14% of them trucks, projected to reach 1,818 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 44.7 mi (72 km).

CarriesIll 84
CrossesTrib of Apple River
Location2.6 MI South US 20
RouteState Highway 84
Coordinates42.29021, -90.28371
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,818 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill 84 over Trib of Apple River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ill 84 over Trib of Apple River 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 October 2024.

How much traffic does Ill 84 over Trib of Apple River carry?

About 1,700 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Ill 84 over Trib of Apple River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Ill 84 over Trib of Apple River?

It is owned by the State Highway Agency.