US Bridges

Ill 26 over Snag Creek

Fair

Peoria County, Illinois · 7.3 MI S of Ill 17 · Structure no. 102006700000000

Built
1992
33 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
2,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 26 over Snag Creek is a steel stringer/multi-beam or girder carrying Ill 26 over Snag Creek in Peoria County, Illinois. It was built in 1992, 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 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 2,350 vehicles a day, roughly 11% of them trucks, projected to reach 1,667 by 2046. The structure is 90 ft (27.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 26
CrossesSnag Creek
Location7.3 MI S of Ill 17
RouteState Highway 26
Coordinates40.92203, -89.42806
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span87 ft (26.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 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 built?

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

What condition is Ill 26 over Snag 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 December 2023.

How much traffic does Ill 26 over Snag Creek carry?

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

How long is Ill 26 over Snag Creek?

The structure is 90 ft (27.4 m) long with a longest span of 87 ft (26.6 m) and a deck 35 ft wide.

Who owns Ill 26 over Snag Creek?

It is owned by the State Highway Agency.