US Bridges

Ill 26 over Richland Creek

Fair

Woodford County, Illinois · 10.18 MI S of Ill 17 · Structure no. 102006300000000

Built
1992
33 years old, rebuilt 1999
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
179 ft
3 main spans
Daily traffic
2,550
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 26 over Richland Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Ill 26 over Richland Creek in Woodford County, Illinois. It was built in 1992 and reconstructed in 1999, so it is 33 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 2,550 vehicles a day, roughly 10% of them trucks, projected to reach 1,869 by 2046. The structure is 179 ft (54.6 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 26
CrossesRichland Creek
Location10.18 MI S of Ill 17
RouteState Highway 26
Coordinates40.87984, -89.43507
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.2 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span59 ft (18.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2023)
Projected traffic1,869 by 2046
Trucks10%
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 Ill 26 over Richland Creek built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 1999.

What condition is Ill 26 over Richland Creek 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 August 2023.

How much traffic does Ill 26 over Richland Creek carry?

About 2,550 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 26 over Richland Creek?

The structure is 179 ft (54.6 m) long with a longest span of 59 ft (18.1 m) and a deck 47 ft wide.

Who owns Ill 26 over Richland Creek?

It is owned by the State Highway Agency.