US Bridges

FAP-407 (IL-336WB) over Trib Killjordon Crk

Fair

McDonough County, Illinois · SW of Macomb · Structure no. 055006100000000

Built
2008
17 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-407 (IL-336WB) over Trib Killjordon Crk is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP-407 (IL-336WB) over Trib Killjordon Crk in McDonough County, Illinois. It was built in 2008, so it is 17 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 3,800 vehicles a day, roughly 20% of them trucks, projected to reach 2,020 by 2046. The structure is 186 ft (56.8 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAP-407 (IL-336WB)
CrossesTrib Killjordon Crk
LocationSW of Macomb
RouteState Highway 110
CountyMcDonough County
StateIllinois
Coordinates40.43001, -90.73821
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.8 m)
Longest span80 ft (24.4 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic2,020 by 2046
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FAP-407 (IL-336WB) over Trib Killjordon Crk built?

It was built in 2008, making it 17 years old in 2025.

What condition is FAP-407 (IL-336WB) over Trib Killjordon Crk 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 April 2023.

How much traffic does FAP-407 (IL-336WB) over Trib Killjordon Crk carry?

About 3,800 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is FAP-407 (IL-336WB) over Trib Killjordon Crk?

The structure is 186 ft (56.8 m) long with a longest span of 80 ft (24.4 m) and a deck 45 ft wide.

Who owns FAP-407 (IL-336WB) over Trib Killjordon Crk?

It is owned by the State Highway Agency.