US Bridges

Il 3-FAP 312 over Degognia Creek

Good

Jackson County, Illinois · Randph/Jksn CO Li · Structure no. 039202400000000

Built
2001
24 years old
Condition
Good
inspected January 2023
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
2,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 3-FAP 312 over Degognia Creek is a concrete frame carrying Il 3-FAP 312 over Degognia Creek in Jackson 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 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 2,150 vehicles a day, roughly 21% of them trucks, projected to reach 2,273 by 2046. The structure is 44 ft (13.3 m) long.

Location

Open in Google Maps
CarriesIl 3-FAP 312
CrossesDegognia Creek
LocationRandph/Jksn CO Li
RouteState Highway 3
CountyJackson County
StateIllinois
Coordinates37.82734, -89.67057
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
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span39 ft (12 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2023)
Projected traffic2,273 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Il 3-FAP 312 over Degognia Creek built?

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

What condition is Il 3-FAP 312 over Degognia 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 January 2023.

How much traffic does Il 3-FAP 312 over Degognia Creek carry?

About 2,150 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is Il 3-FAP 312 over Degognia Creek?

The structure is 44 ft (13.3 m) long with a longest span of 39 ft (12 m).

Who owns Il 3-FAP 312 over Degognia Creek?

It is owned by the State Highway Agency.