US Bridges

Ill 17 FAP 649 over Prairie Creek

Fair

Livingston County, Illinois · 1 MI E of Ill 23 · Structure no. 053016000000000

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
1,800
2021 count
Owner
State
State Highway Agency

About this bridge

Ill 17 FAP 649 over Prairie Creek is a steel stringer/multi-beam or girder carrying Ill 17 FAP 649 over Prairie Creek in Livingston County, Illinois. It was built in 1989, so it is 36 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 1,800 vehicles a day, roughly 7% of them trucks, projected to reach 1,818 by 2046. The structure is 80 ft (24.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIll 17 FAP 649
CrossesPrairie Creek
Location1 MI E of Ill 23
RouteState Highway 17
CountyLivingston County
StateIllinois
Coordinates41.06164, -88.81347
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span76 ft (23.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
Projected traffic1,818 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 FAP 649 over Prairie Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ill 17 FAP 649 over Prairie 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 March 2023.

How much traffic does Ill 17 FAP 649 over Prairie Creek carry?

About 1,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Ill 17 FAP 649 over Prairie Creek?

The structure is 80 ft (24.4 m) long with a longest span of 76 ft (23.2 m) and a deck 35 ft wide.

Who owns Ill 17 FAP 649 over Prairie Creek?

It is owned by the State Highway Agency.