US Bridges

TR 104A (TH-S65) over Stream

Fair

Marshall County, Illinois · 1 MI N of Wenona · Structure no. 062454900000000

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
68 ft
3 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 104A (TH-S65) over Stream is a concrete channel beam carrying TR 104A (TH-S65) over Stream in Marshall County, Illinois. It was built in 1965, so it is 60 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 101 by 2046. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 104A (TH-S65)
CrossesStream
Location1 MI N of Wenona
RouteCounty Highway 0
Coordinates41.07565, -89.04748
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length68 ft (20.7 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 104A (TH-S65) over Stream built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 104A (TH-S65) 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 March 2023.

How much traffic does TR 104A (TH-S65) over Stream carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is TR 104A (TH-S65) over Stream?

The structure is 68 ft (20.7 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns TR 104A (TH-S65) over Stream?

It is owned by the Town or Township Highway Agency.