US Bridges

FAS 1356 (CH33) over Tomahawk Creek

Good

LaSalle County, Illinois · N 33rd E 515 · Structure no. 050359400000000

Built
2011
14 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
625
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 1356 (CH33) over Tomahawk Creek is a prestressed concrete stringer/multi-beam or girder carrying FAS 1356 (CH33) over Tomahawk Creek in LaSalle County, Illinois. It was built in 2011, so it is 14 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 625 vehicles a day, roughly 11% of them trucks, projected to reach 631 by 2046. The structure is 103 ft (31.4 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesFAS 1356 (CH33)
CrossesTomahawk Creek
LocationN 33rd E 515
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.41173, -89.06527
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.4 m)
Longest span99 ft (30.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2020)
Projected traffic631 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 1356 (CH33) over Tomahawk Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAS 1356 (CH33) over Tomahawk 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 May 2021.

How much traffic does FAS 1356 (CH33) over Tomahawk Creek carry?

About 625 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FAS 1356 (CH33) over Tomahawk Creek?

The structure is 103 ft (31.4 m) long with a longest span of 99 ft (30.3 m) and a deck 35 ft wide.

Who owns FAS 1356 (CH33) over Tomahawk Creek?

It is owned by the County Highway Agency.