US Bridges

CO HWY 11 over Little Beaucoup Crk

Fair

Perry County, Illinois · 2.5MI E of FAS 1821 · Structure no. 073500000000000

Built
1953
72 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

CO HWY 11 over Little Beaucoup Crk is a concrete culvert carrying CO HWY 11 over Little Beaucoup Crk in Perry County, Illinois. It was built in 1953, so it is 72 years old, older 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 150 vehicles a day, roughly 4% of them trucks, projected to reach 202 by 2046. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCO HWY 11
CrossesLittle Beaucoup Crk
Location2.5MI E of FAS 1821
RouteCounty Highway 0
CountyPerry County
StateIllinois
Coordinates38.17326, -89.28211
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic202 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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 Little Beaucoup Crk built?

It was built in 1953, making it 72 years old in 2025.

What condition is CO HWY 11 over Little Beaucoup Crk 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 January 2024.

How much traffic does CO HWY 11 over Little Beaucoup Crk carry?

About 150 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CO HWY 11 over Little Beaucoup Crk?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns CO HWY 11 over Little Beaucoup Crk?

It is owned by the County Highway Agency.