US Bridges

TR-250(ZIMMERMAN R over Trib Bureau CR

Poor

Lee County, Illinois · 3 MI N Lasalle CO L · Structure no. 052537000000000

Built
1958
67 years old
Condition
Poor
inspected March 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
100
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-250(ZIMMERMAN R over Trib Bureau CR is a concrete continuous culvert carrying TR-250(ZIMMERMAN R over Trib Bureau CR in Lee County, Illinois. It was built in 1958, so it is 67 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 101 by 2046. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR-250(ZIMMERMAN R
CrossesTrib Bureau CR
Location3 MI N Lasalle CO L
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.67179, -89.07172
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 inspectionMarch 2024
Inspection intervalevery 24 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating12.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 15
Structure length32 ft (9.8 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 traffic100 (2017)
Projected traffic101 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-250(ZIMMERMAN R over Trib Bureau CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is TR-250(ZIMMERMAN R over Trib Bureau 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 March 2024.

How much traffic does TR-250(ZIMMERMAN R over Trib Bureau CR carry?

About 100 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is TR-250(ZIMMERMAN R over Trib Bureau CR?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3.2 m).

Who owns TR-250(ZIMMERMAN R over Trib Bureau CR?

It is owned by the Town or Township Highway Agency.