US Bridges

Il 9 over N Fork Lamoine River

Fair

McDonough County, Illinois · 2 MI W of Bushnell · Structure no. 055009700000000

Built
2018
7 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
3 main spans
Daily traffic
2,250
2023 count
Owner
State
State Highway Agency

About this bridge

Il 9 over N Fork Lamoine River is a steel continuous stringer/multi-beam or girder carrying Il 9 over N Fork Lamoine River in McDonough 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 2,250 vehicles a day, roughly 17% of them trucks, projected to reach 2,222 by 2046. The structure is 235 ft (71.6 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesIl 9
CrossesN Fork Lamoine River
Location2 MI W of Bushnell
RouteState Highway 9
CountyMcDonough County
StateIllinois
Coordinates40.55007, -90.56228
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.6 US tons
Inventory rating64.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length235 ft (71.6 m)
Longest span105 ft (32 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2023)
Projected traffic2,222 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 9 over N Fork Lamoine River built?

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

What condition is Il 9 over N Fork Lamoine 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 January 2023.

How much traffic does Il 9 over N Fork Lamoine River carry?

About 2,250 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Il 9 over N Fork Lamoine River?

The structure is 235 ft (71.6 m) long with a longest span of 105 ft (32 m) and a deck 35 ft wide.

Who owns Il 9 over N Fork Lamoine River?

It is owned by the State Highway Agency.