US Bridges

TR 74 over Trib.Of Waupecon Crk

Fair

Grundy County, Illinois · W4000 S1400 · Structure no. 032482100000000

Built
1998
27 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
250
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 74 over Trib.Of Waupecon Crk is a concrete continuous culvert carrying TR 74 over Trib.Of Waupecon Crk in Grundy County, Illinois. It was built in 1998, so it is 27 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 250 vehicles a day, roughly 21% of them trucks, projected to reach 390 by 2046. The structure is 22 ft (6.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 74
CrossesTrib.Of Waupecon Crk
LocationW4000 S1400
RouteCounty Highway 0
CountyGrundy County
StateIllinois
Coordinates41.26658, -88.49442
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span9 ft (2.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic390 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 74 over Trib.Of Waupecon Crk built?

It was built in 1998, making it 27 years old in 2025.

What condition is TR 74 over Trib.Of Waupecon Crk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does TR 74 over Trib.Of Waupecon Crk carry?

About 250 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is TR 74 over Trib.Of Waupecon Crk?

The structure is 22 ft (6.6 m) long with a longest span of 9 ft (2.7 m) and a deck 32 ft wide.

Who owns TR 74 over Trib.Of Waupecon Crk?

It is owned by the Town or Township Highway Agency.