US Bridges

Il 17 FAP 649 over S Br Moon Creek

Good

LaSalle County, Illinois · 0.8 MI E/Old Il 179 · Structure no. 050204400000000

Built
2009
16 years old
Condition
Good
inspected February 2021
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
900
2023 count
Owner
State
State Highway Agency

About this bridge

Il 17 FAP 649 over S Br Moon Creek is a concrete culvert carrying Il 17 FAP 649 over S Br Moon Creek in LaSalle County, Illinois. It was built in 2009, so it is 16 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 900 vehicles a day, roughly 14% of them trucks, projected to reach 1,111 by 2046. The structure is 39 ft (11.9 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 17 FAP 649
CrossesS Br Moon Creek
Location0.8 MI E/Old Il 179
RouteState Highway 17
Coordinates41.05901, -88.9346
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span11 ft (3.4 m)
Deck width59 ft (18 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,111 by 2046
Trucks14%
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 17 FAP 649 over S Br Moon Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Il 17 FAP 649 over S Br Moon 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 February 2021.

How much traffic does Il 17 FAP 649 over S Br Moon Creek carry?

About 900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Il 17 FAP 649 over S Br Moon Creek?

The structure is 39 ft (11.9 m) long with a longest span of 11 ft (3.4 m) and a deck 59 ft wide.

Who owns Il 17 FAP 649 over S Br Moon Creek?

It is owned by the State Highway Agency.