US Bridges

Il 89 (fap 698) over Illinois River

Fair

Bureau County, Illinois · 0.91M S of US 6 · Structure no. 078004700000000

Built
2018
7 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,777 ft
8 main spans
Daily traffic
4,450
2023 count
Owner
State
State Highway Agency

About this bridge

Il 89 (fap 698) over Illinois River is a steel continuous stringer/multi-beam or girder carrying Il 89 (fap 698) over Illinois River in Bureau County, Illinois. It was built in 2018, so it is 7 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 4,450 vehicles a day, roughly 7% of them trucks, projected to reach 4,524 by 2046. The structure is 1,777 ft (541.5 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesIl 89 (fap 698)
CrossesIllinois River
Location0.91M S of US 6
RouteState Highway 89
CountyBureau County
StateIllinois
Coordinates41.31211, -89.19971
Functional classUrban 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 protection8 Very GoodNo problems noted.
Last inspectionAugust 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 rating57.1 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length1,777 ft (541.5 m)
Longest span365 ft (111.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)
Projected traffic4,524 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Il 89 (fap 698) over Illinois River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Il 89 (fap 698) over Illinois 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 August 2024.

How much traffic does Il 89 (fap 698) over Illinois River carry?

About 4,450 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Il 89 (fap 698) over Illinois River?

The structure is 1,777 ft (541.5 m) long with a longest span of 365 ft (111.3 m) and a deck 43 ft wide.

Who owns Il 89 (fap 698) over Illinois River?

It is owned by the State Highway Agency.