US Bridges

CO HWY 11 over Beaucoup Creek

Poor

Perry County, Illinois · 2.1 MI E of Ill 127 · Structure no. 073300800000000

Built
1955
70 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
3 main spans
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

CO HWY 11 over Beaucoup Creek is a steel stringer/multi-beam or girder carrying CO HWY 11 over Beaucoup Creek in Perry County, Illinois. It was built in 1955, so it is 70 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 200 vehicles a day, roughly 8% of them trucks, projected to reach 253 by 2046. The structure is 167 ft (50.9 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesCO HWY 11
CrossesBeaucoup Creek
Location2.1 MI E of Ill 127
RouteCounty Highway 0
CountyPerry County
StateIllinois
Coordinates38.19976, -89.34189
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length167 ft (50.9 m)
Longest span64 ft (19.5 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic253 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CO HWY 11 over Beaucoup Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is CO HWY 11 over Beaucoup Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does CO HWY 11 over Beaucoup Creek carry?

About 200 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is CO HWY 11 over Beaucoup Creek?

The structure is 167 ft (50.9 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns CO HWY 11 over Beaucoup Creek?

It is owned by the County Highway Agency.