US Bridges

Ill 75 over Pecatonica River

Fair

Winnebago County, Illinois · 1.2 MI W Meridian RD · Structure no. 101015700000000

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
284 ft
3 main spans
Daily traffic
2,650
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 75 over Pecatonica River is a prestressed concrete continuous stringer/multi-beam or girder carrying Ill 75 over Pecatonica River in Winnebago County, Illinois. It was built in 1990, so it is 35 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 2,650 vehicles a day, roughly 6% of them trucks, projected to reach 3,131 by 2046. The structure is 284 ft (86.5 m) long and 41 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesIll 75
CrossesPecatonica River
Location1.2 MI W Meridian RD
RouteState Highway 75
CountyWinnebago County
StateIllinois
Coordinates42.42731, -89.19655
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 rating74 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length284 ft (86.5 m)
Longest span95 ft (29 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic3,131 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 75 over Pecatonica River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ill 75 over Pecatonica River 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 June 2023.

How much traffic does Ill 75 over Pecatonica River carry?

About 2,650 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Ill 75 over Pecatonica River?

The structure is 284 ft (86.5 m) long with a longest span of 95 ft (29 m) and a deck 41 ft wide.

Who owns Ill 75 over Pecatonica River?

It is owned by the State Highway Agency.