US Bridges

N CO Rd/ FAU 9380 over Drainage Ditch

Fair

St. Clair County, Illinois · 0.44 M N Il 177 · Structure no. 082500400000000

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
2,450
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

N CO Rd/ FAU 9380 over Drainage Ditch is a concrete continuous culvert carrying N CO Rd/ FAU 9380 over Drainage Ditch in St. Clair County, Illinois. It was built in 1962, so it is 63 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 2,450 vehicles a day, roughly 5% of them trucks, projected to reach 2,475 by 2046. The structure is 28 ft (8.5 m) long.

Location

Open in Google Maps
CarriesN CO Rd/ FAU 9380
CrossesDrainage Ditch
Location0.44 M N Il 177
CountySt. Clair County
StateIllinois
Coordinates38.49988, -89.81782
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating58.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2023)
Projected traffic2,475 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N CO Rd/ FAU 9380 over Drainage Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is N CO Rd/ FAU 9380 over Drainage Ditch 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 August 2024.

How much traffic does N CO Rd/ FAU 9380 over Drainage Ditch carry?

About 2,450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N CO Rd/ FAU 9380 over Drainage Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.2 m).

Who owns N CO Rd/ FAU 9380 over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.