US Bridges

Ill 116 over Br of Swegle CR

Poor

Fulton County, Illinois · London Mills · Structure no. 029200100000000

Built
1933
92 years old
Condition
Poor
inspected December 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 116 over Br of Swegle CR is a concrete continuous culvert carrying Ill 116 over Br of Swegle CR in Fulton County, Illinois. It was built in 1933, so it is 92 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 1,600 vehicles a day, roughly 18% of them trucks, projected to reach 1,465 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 23 mi (37 km).

CarriesIll 116
CrossesBr of Swegle CR
LocationLondon Mills
RouteState Highway 116
Coordinates40.70603, -90.26835
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,465 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Ill 116 over Br of Swegle CR built?

It was built in 1933, making it 92 years old in 2025.

What condition is Ill 116 over Br of Swegle CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Ill 116 over Br of Swegle CR carry?

About 1,600 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Ill 116 over Br of Swegle CR?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Ill 116 over Br of Swegle CR?

It is owned by the State Highway Agency.