US Bridges

FAS 188A/CH8 over Hennepin Canal/Iais

Good

Bureau County, Illinois · S Edge Wyanet · Structure no. 006324700000000

Built
2011
14 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
366 ft
3 main spans
Daily traffic
1,000
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 188A/CH8 over Hennepin Canal/Iais is a steel stringer/multi-beam or girder carrying FAS 188A/CH8 over Hennepin Canal/Iais in Bureau 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 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 1,010 by 2046. The structure is 366 ft (111.6 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesFAS 188A/CH8
CrossesHennepin Canal/Iais
LocationS Edge Wyanet
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.35413, -89.58732
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 protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 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
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length366 ft (111.6 m)
Longest span164 ft (50.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,010 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed9.9 mi (16 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 188A/CH8 over Hennepin Canal/Iais built?

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

What condition is FAS 188A/CH8 over Hennepin Canal/Iais 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 March 2024.

How much traffic does FAS 188A/CH8 over Hennepin Canal/Iais carry?

About 1,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is FAS 188A/CH8 over Hennepin Canal/Iais?

The structure is 366 ft (111.6 m) long with a longest span of 164 ft (50.1 m) and a deck 33 ft wide.

Who owns FAS 188A/CH8 over Hennepin Canal/Iais?

It is owned by the County Highway Agency.