US Bridges

9 Mi. Lane over W. Fk. Otter Cr.

Good

Macoupin County, Illinois · 5 Mi. W. Virden · Structure no. 059500000000000

Built
1951
74 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
500
2021 count
Owner
County
County Highway Agency

About this bridge

9 Mi. Lane over W. Fk. Otter Cr. is a concrete continuous culvert carrying 9 Mi. Lane over W. Fk. Otter Cr. in Macoupin County, Illinois. It was built in 1951, so it is 74 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 12% of them trucks, projected to reach 505 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries9 Mi. Lane
CrossesW. Fk. Otter Cr.
Location5 Mi. W. Virden
RouteCounty Highway 0
Coordinates39.5006, -89.87867
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 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 traffic500 (2021)
Projected traffic505 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 9 Mi. Lane over W. Fk. Otter Cr. built?

It was built in 1951, making it 74 years old in 2025.

What condition is 9 Mi. Lane over W. Fk. Otter Cr. 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 March 2023.

How much traffic does 9 Mi. Lane over W. Fk. Otter Cr. carry?

About 500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is 9 Mi. Lane over W. Fk. Otter Cr.?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns 9 Mi. Lane over W. Fk. Otter Cr.?

It is owned by the County Highway Agency.