US Bridges

Il 26/FAS 2370 over Trib to Ill River

Fair

Putnam County, Illinois · 3.76 MI S of Il 71 · Structure no. 078003700000000

Built
2001
24 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 26/FAS 2370 over Trib to Ill River is a prestressed concrete stringer/multi-beam or girder carrying Il 26/FAS 2370 over Trib to Ill River in Putnam County, Illinois. It was built in 2001, so it is 24 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 14% of them trucks, projected to reach 1,092 by 2046. The structure is 107 ft (32.5 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 26/FAS 2370
CrossesTrib to Ill River
Location3.76 MI S of Il 71
RouteState Highway 26
Coordinates41.20399, -89.30884
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span104 ft (31.7 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,092 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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/FAS 2370 over Trib to Ill River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Il 26/FAS 2370 over Trib to Ill River 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/FAS 2370 over Trib to Ill River carry?

About 800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Il 26/FAS 2370 over Trib to Ill River?

The structure is 107 ft (32.5 m) long with a longest span of 104 ft (31.7 m) and a deck 37 ft wide.

Who owns Il 26/FAS 2370 over Trib to Ill River?

It is owned by the State Highway Agency.