US Bridges

Timber Lane over Trib W. Br. Dupage R

Poor

DuPage County, Illinois · 0.34 MI E. Fair Oaks · Structure no. 022901500000000

Built
1972
53 years old
Condition
Poor
inspected April 2023
Type
Culvert
Concrete Continuous
Length
33 ft
4 main spans
Daily traffic
700
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Timber Lane over Trib W. Br. Dupage R is a concrete continuous culvert carrying Timber Lane over Trib W. Br. Dupage R in DuPage County, Illinois. It was built in 1972, so it is 53 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 3 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 700 vehicles a day, roughly 4% of them trucks, projected to reach 455 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTimber Lane
CrossesTrib W. Br. Dupage R
Location0.34 MI E. Fair Oaks
RouteCounty Highway 0
CountyDuPage County
StateIllinois
Coordinates41.91678, -88.16831
Functional classUrban 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.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic455 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Timber Lane over Trib W. Br. Dupage R built?

It was built in 1972, making it 53 years old in 2025.

What condition is Timber Lane over Trib W. Br. Dupage R 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 April 2023.

How much traffic does Timber Lane over Trib W. Br. Dupage R carry?

About 700 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Timber Lane over Trib W. Br. Dupage R?

The structure is 33 ft (10.1 m) long with a longest span of 8 ft (2.5 m).

Who owns Timber Lane over Trib W. Br. Dupage R?

It is owned by the Town or Township Highway Agency.