US Bridges

Il 49 FAP 840 over Pidgeon Creek

Good

Iroquois County, Illinois · 16.12 MI S of US 24 · Structure no. 038021700000000

Built
2008
17 years old
Condition
Good
inspected January 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
138 ft
1 main span
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

Il 49 FAP 840 over Pidgeon Creek is a steel continuous stringer/multi-beam or girder carrying Il 49 FAP 840 over Pidgeon Creek in Iroquois 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 2,100 vehicles a day, roughly 15% of them trucks, projected to reach 2,071 by 2046. The structure is 138 ft (42.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 49 FAP 840
CrossesPidgeon Creek
Location16.12 MI S of US 24
RouteState Highway 49
Coordinates40.56003, -87.89244
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating56.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length138 ft (42.1 m)
Longest span47 ft (14.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,071 by 2046
Trucks15%
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

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 49 FAP 840 over Pidgeon Creek built?

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

What condition is Il 49 FAP 840 over Pidgeon 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 2021.

How much traffic does Il 49 FAP 840 over Pidgeon Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Il 49 FAP 840 over Pidgeon Creek?

The structure is 138 ft (42.1 m) long with a longest span of 47 ft (14.2 m) and a deck 35 ft wide.

Who owns Il 49 FAP 840 over Pidgeon Creek?

It is owned by the State Highway Agency.