US Bridges

FAP 323 (us 36) over Bear Creek

Good

Douglas County, Illinois · 0.5 MI E of Atwood · Structure no. 021202700000000

Built
2008
17 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
3,550
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 323 (us 36) over Bear Creek is a concrete culvert carrying FAP 323 (us 36) over Bear Creek in Douglas County, Illinois. It was built in 2008, so it is 17 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 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 3,550 vehicles a day, roughly 15% of them trucks, projected to reach 3,889 by 2046. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesFAP 323 (us 36)
CrossesBear Creek
Location0.5 MI E of Atwood
RouteU.S. Route 36
CountyDouglas County
StateIllinois
Coordinates39.79178, -88.44403
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.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating66.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length28 ft (8.6 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2023)
Projected traffic3,889 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 323 (us 36) over Bear Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is FAP 323 (us 36) over Bear 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 December 2022.

How much traffic does FAP 323 (us 36) over Bear Creek carry?

About 3,550 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FAP 323 (us 36) over Bear Creek?

The structure is 28 ft (8.6 m) long with a longest span of 13 ft (4 m).

Who owns FAP 323 (us 36) over Bear Creek?

It is owned by the State Highway Agency.