US Bridges

TR 10A over Stream

Fair

Iroquois County, Illinois · 1.25 MI NE Thawville · Structure no. 038535100000000

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
82 ft
3 main spans
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 10A over Stream is a concrete channel beam carrying TR 10A over Stream in Iroquois County, Illinois. It was built in 1982, so it is 43 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 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 82 ft (25 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 10A
CrossesStream
Location1.25 MI NE Thawville
RouteCounty Highway 0
Coordinates40.69173, -88.10394
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry9: Superior to present desirable 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 length82 ft (25 m)
Longest span27 ft (8.2 m)
Deck width34 ft (10.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 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 10A over Stream built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 10A over Stream 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 July 2024.

How much traffic does TR 10A over Stream carry?

About 25 vehicles per day (2022 count).

How long is TR 10A over Stream?

The structure is 82 ft (25 m) long with a longest span of 27 ft (8.2 m) and a deck 34 ft wide.

Who owns TR 10A over Stream?

It is owned by the Town or Township Highway Agency.