US Bridges

TR 442 over Trib to Iroquois Rv

Fair

Iroquois County, Illinois · 2.75 MI S Iroquois · Structure no. 038373900000000

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 442 over Trib to Iroquois Rv is a concrete slab carrying TR 442 over Trib to Iroquois Rv in Iroquois County, Illinois. It was built in 1966, so it is 59 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 6 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 442
CrossesTrib to Iroquois Rv
Location2.75 MI S Iroquois
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.79415, -87.55715
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic76 by 2046
Trucks0%
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 442 over Trib to Iroquois Rv built?

It was built in 1966, making it 59 years old in 2025.

What condition is TR 442 over Trib to Iroquois Rv 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 September 2023.

How much traffic does TR 442 over Trib to Iroquois Rv carry?

About 75 vehicles per day (2022 count).

How long is TR 442 over Trib to Iroquois Rv?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns TR 442 over Trib to Iroquois Rv?

It is owned by the Town or Township Highway Agency.