US Bridges

Il 26 over Stream

Fair

Putnam County, Illinois · 0.5 MI N of Il 18 · Structure no. 078003400000000

Built
1993
32 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 26 over Stream is a concrete slab carrying Il 26 over Stream in Putnam County, Illinois. It was built in 1993, so it is 32 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 800 vehicles a day, roughly 10% of them trucks, projected to reach 936 by 2046. The structure is 45 ft (13.7 m) long and 35 ft wide.

CarriesIl 26
CrossesStream
Location0.5 MI N of Il 18
RouteState Highway 26
Coordinates41.10534, -89.33172
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
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 alignment6: Equal to present minimum criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic936 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 26 over Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is Il 26 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 January 2023.

How much traffic does Il 26 over Stream carry?

About 800 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 26 over Stream?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns Il 26 over Stream?

It is owned by the State Highway Agency.