US Bridges

FAS 331/CH 45 over Drainage Ditch

Good

Iroquois County, Illinois · 6.4 MI W of Wellngtn · Structure no. 038410300000000

Built
2001
24 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 331/CH 45 over Drainage Ditch is a concrete continuous slab carrying FAS 331/CH 45 over Drainage Ditch in Iroquois County, Illinois. It was built in 2001, so it is 24 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 40% of them trucks, projected to reach 126 by 2046. The structure is 85 ft (25.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFAS 331/CH 45
CrossesDrainage Ditch
Location6.4 MI W of Wellngtn
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.53088, -87.80095
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.8 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic126 by 2046
Trucks40%
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 FAS 331/CH 45 over Drainage Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is FAS 331/CH 45 over Drainage Ditch 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 September 2022.

How much traffic does FAS 331/CH 45 over Drainage Ditch carry?

About 150 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is FAS 331/CH 45 over Drainage Ditch?

The structure is 85 ft (25.8 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns FAS 331/CH 45 over Drainage Ditch?

It is owned by the County Highway Agency.