US Bridges

Ill 8 over Big Hollow Creek

Fair

Peoria County, Illinois · .75 MI N Pottstown · Structure no. 072022700000000

Built
2010
15 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
138 ft
3 main spans
Daily traffic
2,750
2021 count
Owner
State
State Highway Agency

About this bridge

Ill 8 over Big Hollow Creek is a steel continuous stringer/multi-beam or girder carrying Ill 8 over Big Hollow Creek in Peoria County, Illinois. It was built in 2010, so it is 15 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 2,750 vehicles a day, roughly 5% of them trucks, projected to reach 2,778 by 2046. The structure is 138 ft (42.1 m) long and 49 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIll 8
CrossesBig Hollow Creek
Location.75 MI N Pottstown
RouteState Highway 8
Coordinates40.72783, -89.66434
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length138 ft (42.1 m)
Longest span51 ft (15.5 m)
Deck width49 ft (15 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2021)
Projected traffic2,778 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 8 over Big Hollow Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Ill 8 over Big Hollow 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 October 2024.

How much traffic does Ill 8 over Big Hollow Creek carry?

About 2,750 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ill 8 over Big Hollow Creek?

The structure is 138 ft (42.1 m) long with a longest span of 51 ft (15.5 m) and a deck 49 ft wide.

Who owns Ill 8 over Big Hollow Creek?

It is owned by the State Highway Agency.