US Bridges

TR 161 over Chicken Creek

Good

Perry County, Illinois · 1 MI W of Ill 13&127 · Structure no. 073500400000000

Built
1920
105 years old, rebuilt 1982
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
175
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 161 over Chicken Creek is a concrete culvert carrying TR 161 over Chicken Creek in Perry County, Illinois. It was built in 1920 and reconstructed in 1982, so it is 105 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 175 vehicles a day, roughly 22% of them trucks, projected to reach 152 by 2046. The structure is 24 ft (7.4 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesTR 161
CrossesChicken Creek
Location1 MI W of Ill 13&127
RouteCounty Highway 0
Coordinates38.0694, -89.40315
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length24 ft (7.4 m)
Longest span11 ft (3.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2024)
Projected traffic152 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 161 over Chicken Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1982.

What condition is TR 161 over Chicken Creek 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 January 2025.

How much traffic does TR 161 over Chicken Creek carry?

About 175 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is TR 161 over Chicken Creek?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns TR 161 over Chicken Creek?

It is owned by the Town or Township Highway Agency.