US Bridges

TR 177 over Br Walnut CR

Poor

Woodford County, Illinois · 2 MI W Eureka · Structure no. 102500200000000

Built
1925
100 years old
Condition
Poor
inspected February 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
125
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 177 over Br Walnut CR is a concrete continuous culvert carrying TR 177 over Br Walnut CR in Woodford County, Illinois. It was built in 1925, so it is 100 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.

It carries about 125 vehicles a day, roughly 24% of them trucks, projected to reach 126 by 2046. The structure is 34 ft (10.4 m) long.

CarriesTR 177
CrossesBr Walnut CR
Location2 MI W Eureka
RouteCounty Highway 0
Coordinates40.73363, -89.32979
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic126 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 177 over Br Walnut CR built?

It was built in 1925, making it 100 years old in 2025.

What condition is TR 177 over Br Walnut 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 February 2023.

How much traffic does TR 177 over Br Walnut CR carry?

About 125 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is TR 177 over Br Walnut CR?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m).

Who owns TR 177 over Br Walnut CR?

It is owned by the Town or Township Highway Agency.