US Bridges

FAS1335 CH42 over Trib Little Mud CR

Good

Iroquois County, Illinois · 1.7MI N JCT Ch 42+44 · Structure no. 038301000000000

Built
1963
62 years old
Condition
Good
inspected July 2024
Type
Channel Beam
Concrete
Length
37 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

FAS1335 CH42 over Trib Little Mud CR is a concrete channel beam carrying FAS1335 CH42 over Trib Little Mud CR in Iroquois County, Illinois. It was built in 1963, so it is 62 years old, older 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 150 vehicles a day, roughly 13% of them trucks, projected to reach 126 by 2046. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS1335 CH42
CrossesTrib Little Mud CR
Location1.7MI N JCT Ch 42+44
RouteCounty Highway 0
Coordinates40.61167, -87.93992
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic126 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FAS1335 CH42 over Trib Little Mud CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is FAS1335 CH42 over Trib Little Mud CR 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 July 2024.

How much traffic does FAS1335 CH42 over Trib Little Mud CR carry?

About 150 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is FAS1335 CH42 over Trib Little Mud CR?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns FAS1335 CH42 over Trib Little Mud CR?

It is owned by the County Highway Agency.