US Bridges

TR 363 over Trib to Pigeon CR

Fair

Iroquois County, Illinois · 1.5 MI W Ill Rt 49 · Structure no. 038514300000000

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
66 ft
3 main spans
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 363 over Trib to Pigeon CR is a concrete channel beam carrying TR 363 over Trib to Pigeon CR in Iroquois County, Illinois. It was built in 1979, so it is 46 years old, older 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 50 vehicles a day, roughly 24% of them trucks, projected to reach 152 by 2046. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesTR 363
CrossesTrib to Pigeon CR
Location1.5 MI W Ill Rt 49
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.51471, -87.92476
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic152 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 363 over Trib to Pigeon CR built?

It was built in 1979, making it 46 years old in 2025.

What condition is TR 363 over Trib to Pigeon CR 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 August 2024.

How much traffic does TR 363 over Trib to Pigeon CR carry?

About 50 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is TR 363 over Trib to Pigeon CR?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns TR 363 over Trib to Pigeon CR?

It is owned by the Town or Township Highway Agency.