US Bridges

9 Mi. Lane over Sugar Creek

PoorPosted for load

Macoupin County, Illinois · 4 Mi. W. Virden · Structure no. 059500100000000

Built
1932
93 years old
Condition
Poor
inspected March 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
650
2021 count
Owner
County
County Highway Agency

About this bridge

9 Mi. Lane over Sugar Creek is a concrete continuous culvert carrying 9 Mi. Lane over Sugar Creek in Macoupin County, Illinois. It was built in 1932, so it is 93 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. Its operating status is: posted for load restriction.

It carries about 650 vehicles a day, roughly 6% of them trucks, projected to reach 657 by 2046. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries9 Mi. Lane
CrossesSugar Creek
Location4 Mi. W. Virden
RouteCounty Highway 0
CountyMacoupin County
StateIllinois
Coordinates39.50065, -89.85596
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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2021)
Projected traffic657 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$108,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 9 Mi. Lane over Sugar Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is 9 Mi. Lane over Sugar 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 9 Mi. Lane over Sugar Creek carry?

About 650 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 9 Mi. Lane over Sugar Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns 9 Mi. Lane over Sugar Creek?

It is owned by the County Highway Agency.