US Bridges

FAP-821 (ill 15) over Pole Cat Creek

Good

Jefferson County, Illinois · 5 MI E Wash CO LN · Structure no. 041010900000000

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-821 (ill 15) over Pole Cat Creek is a concrete continuous slab carrying FAP-821 (ill 15) over Pole Cat Creek in Jefferson County, Illinois. It was built in 2017, so it is 8 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 3,100 vehicles a day, roughly 12% of them trucks, projected to reach 2,727 by 2046. The structure is 90 ft (27.3 m) long and 39 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesFAP-821 (ill 15)
CrossesPole Cat Creek
Location5 MI E Wash CO LN
RouteState Highway 15
CountyJefferson County
StateIllinois
Coordinates38.30729, -89.05487
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.3 m)
Longest span33 ft (10.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic2,727 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP-821 (ill 15) over Pole Cat Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is FAP-821 (ill 15) over Pole Cat Creek 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 November 2023.

How much traffic does FAP-821 (ill 15) over Pole Cat Creek carry?

About 3,100 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FAP-821 (ill 15) over Pole Cat Creek?

The structure is 90 ft (27.3 m) long with a longest span of 33 ft (10.1 m) and a deck 39 ft wide.

Who owns FAP-821 (ill 15) over Pole Cat Creek?

It is owned by the State Highway Agency.