US Bridges

Il 16 over Middle Fk Shoal CR

Good

Montgomery County, Illinois · 1.75M E IL16/127 JCT · Structure no. 068005500000000

Built
1989
36 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
2 main spans
Daily traffic
7,800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 16 over Middle Fk Shoal CR is a prestressed concrete stringer/multi-beam or girder carrying Il 16 over Middle Fk Shoal CR in Montgomery County, Illinois. It was built in 1989, so it is 36 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,800 vehicles a day, roughly 8% of them trucks, projected to reach 8,838 by 2046. The structure is 139 ft (42.4 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesIl 16
CrossesMiddle Fk Shoal CR
Location1.75M E IL16/127 JCT
RouteState Highway 16
Coordinates39.16478, -89.50207
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span86 ft (26.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2023)
Projected traffic8,838 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Il 16 over Middle Fk Shoal CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Il 16 over Middle Fk Shoal CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Il 16 over Middle Fk Shoal CR carry?

About 7,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 16 over Middle Fk Shoal CR?

The structure is 139 ft (42.4 m) long with a longest span of 86 ft (26.2 m) and a deck 43 ft wide.

Who owns Il 16 over Middle Fk Shoal CR?

It is owned by the State Highway Agency.