US Bridges

Ill 26 over Snag Creek Overflow

Good

Woodford County, Illinois · 7.47 MI S of Ill 17 · Structure no. 102201900000000

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 26 over Snag Creek Overflow is a concrete continuous culvert carrying Ill 26 over Snag Creek Overflow in Woodford County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,350 vehicles a day, roughly 11% of them trucks, projected to reach 1,667 by 2046. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 26
CrossesSnag Creek Overflow
Location7.47 MI S of Ill 17
RouteState Highway 26
Coordinates40.91837, -89.42805
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,350 (2023)
Projected traffic1,667 by 2046
Trucks11%
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 Snag Creek Overflow built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ill 26 over Snag Creek Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Ill 26 over Snag Creek Overflow carry?

About 2,350 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 26 over Snag Creek Overflow?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns Ill 26 over Snag Creek Overflow?

It is owned by the State Highway Agency.