US Bridges

FAS 1600 (ch 12) over Mallard Creek

Good

Hancock County, Illinois · 5 MI S Warsaw · Structure no. 034312300000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
64 ft
1 main span
Daily traffic
375
2018 count
Owner
County
County Highway Agency

About this bridge

FAS 1600 (ch 12) over Mallard Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 1600 (ch 12) over Mallard Creek in Hancock County, Illinois. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 8% of them trucks, projected to reach 379 by 2046. The structure is 64 ft (19.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 1600 (ch 12)
CrossesMallard Creek
Location5 MI S Warsaw
RouteCounty Highway 0
CountyHancock County
StateIllinois
Coordinates40.25638, -91.41973
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating59.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2018)
Projected traffic379 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 1600 (ch 12) over Mallard Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is FAS 1600 (ch 12) over Mallard 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 2023.

How much traffic does FAS 1600 (ch 12) over Mallard Creek carry?

About 375 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is FAS 1600 (ch 12) over Mallard Creek?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns FAS 1600 (ch 12) over Mallard Creek?

It is owned by the County Highway Agency.