US Bridges

Ch 7 over Beaucoup Creek

Poor

Washington County, Illinois · 1.5 MI E of Posen · Structure no. 095312800000000

Built
1977
48 years old
Condition
Poor
inspected March 2023
Type
Channel Beam
Concrete
Length
115 ft
3 main spans
Daily traffic
275
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 7 over Beaucoup Creek is a concrete channel beam carrying Ch 7 over Beaucoup Creek in Washington County, Illinois. It was built in 1977, so it is 48 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 275 vehicles a day, roughly 12% of them trucks, projected to reach 182 by 2046. The structure is 115 ft (35.1 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCh 7
CrossesBeaucoup Creek
Location1.5 MI E of Posen
RouteCounty Highway 0
CountyWashington County
StateIllinois
Coordinates38.25844, -89.30677
Functional classRural Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span38 ft (11.6 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2024)
Projected traffic182 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Ch 7 over Beaucoup Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ch 7 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 March 2023.

How much traffic does Ch 7 over Beaucoup Creek carry?

About 275 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Ch 7 over Beaucoup Creek?

The structure is 115 ft (35.1 m) long with a longest span of 38 ft (11.6 m) and a deck 23 ft wide.

Who owns Ch 7 over Beaucoup Creek?

It is owned by the County Highway Agency.