US Bridges

Ill 161 over Sugar Creek Br

Good

Clinton County, Illinois · 0.9 E Albers · Structure no. 014200000000000

Built
1934
91 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
47 ft
4 main spans
Daily traffic
4,800
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 161 over Sugar Creek Br is a concrete continuous culvert carrying Ill 161 over Sugar Creek Br in Clinton County, Illinois. It was built in 1934, so it is 91 years old, older 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 4,800 vehicles a day, roughly 8% of them trucks, projected to reach 6,435 by 2046. The structure is 47 ft (14.2 m) long. If it were closed, the detour would be 47.2 mi (76 km).

CarriesIll 161
CrossesSugar Creek Br
Location0.9 E Albers
RouteState Highway 161
Coordinates38.55356, -89.59098
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 20
Structure length47 ft (14.2 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic6,435 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 161 over Sugar Creek Br built?

It was built in 1934, making it 91 years old in 2025.

What condition is Ill 161 over Sugar Creek Br 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 April 2023.

How much traffic does Ill 161 over Sugar Creek Br carry?

About 4,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ill 161 over Sugar Creek Br?

The structure is 47 ft (14.2 m) long with a longest span of 10 ft (3.2 m).

Who owns Ill 161 over Sugar Creek Br?

It is owned by the State Highway Agency.