US Bridges

FAP 332 (il 1) over Big Slough

Good

Lawrence County, Illinois · 5 MI S Lawrenceville · Structure no. 051201000000000

Built
2022
3 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
2,250
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 332 (il 1) over Big Slough is a concrete culvert carrying FAP 332 (il 1) over Big Slough in Lawrence County, Illinois. It was built in 2022, so it is 3 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 2,250 vehicles a day, roughly 17% of them trucks, projected to reach 2,842 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 65.9 mi (106 km).

CarriesFAP 332 (il 1)
CrossesBig Slough
Location5 MI S Lawrenceville
RouteState Highway 1
Coordinates38.64721, -87.69432
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2023)
Projected traffic2,842 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.9 mi (106 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 332 (il 1) over Big Slough built?

It was built in 2022, making it 3 years old in 2025.

What condition is FAP 332 (il 1) over Big Slough 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 April 2023.

How much traffic does FAP 332 (il 1) over Big Slough carry?

About 2,250 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is FAP 332 (il 1) over Big Slough?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns FAP 332 (il 1) over Big Slough?

It is owned by the State Highway Agency.