US Bridges

Ill 154 over Bonnie Creek

Good

Perry County, Illinois · 2.2 Mi.E OF150 · Structure no. 073002900000000

Built
1992
33 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
2,150
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 154 over Bonnie Creek is a steel stringer/multi-beam or girder carrying Ill 154 over Bonnie Creek in Perry 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,150 vehicles a day, roughly 15% of them trucks, projected to reach 2,222 by 2046. The structure is 85 ft (25.9 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesIll 154
CrossesBonnie Creek
Location2.2 Mi.E OF150
RouteState Highway 154
CountyPerry County
StateIllinois
Coordinates38.08621, -89.51472
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span82 ft (25.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2023)
Projected traffic2,222 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 154 over Bonnie Creek built?

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

What condition is Ill 154 over Bonnie Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does Ill 154 over Bonnie Creek carry?

About 2,150 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Ill 154 over Bonnie Creek?

The structure is 85 ft (25.9 m) long with a longest span of 82 ft (25.1 m) and a deck 35 ft wide.

Who owns Ill 154 over Bonnie Creek?

It is owned by the State Highway Agency.