US Bridges

Ill 17 over Senachwine CR Trib.

Fair

Peoria County, Illinois · 4 MI W of Sparland · Structure no. 062005900000000

Built
1994
31 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 17 over Senachwine CR Trib. is a prestressed concrete stringer/multi-beam or girder carrying Ill 17 over Senachwine CR Trib. in Peoria County, Illinois. It was built in 1994, so it is 31 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 500 vehicles a day, roughly 18% of them trucks, projected to reach 1,111 by 2046. The structure is 79 ft (24.1 m) long and 35 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesIll 17
CrossesSenachwine CR Trib.
Location4 MI W of Sparland
RouteState Highway 17
CountyPeoria County
StateIllinois
Coordinates41.0316, -89.54
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating78.6 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span76 ft (23.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic1,111 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 17 over Senachwine CR Trib. built?

It was built in 1994, making it 31 years old in 2025.

What condition is Ill 17 over Senachwine CR Trib. 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 February 2023.

How much traffic does Ill 17 over Senachwine CR Trib. carry?

About 500 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Ill 17 over Senachwine CR Trib.?

The structure is 79 ft (24.1 m) long with a longest span of 76 ft (23.3 m) and a deck 35 ft wide.

Who owns Ill 17 over Senachwine CR Trib.?

It is owned by the State Highway Agency.