US Bridges

FAS 328 Ch 11 over Trib Mud Creek

Good

Iroquois County, Illinois · .5MI S Wellington E1 · Structure no. 038520500000000

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Channel Beam
Concrete
Length
68 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 328 Ch 11 over Trib Mud Creek is a concrete channel beam carrying FAS 328 Ch 11 over Trib Mud Creek in Iroquois County, Illinois. It was built in 1994, so it is 31 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 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 100 vehicles a day, roughly 36% of them trucks, projected to reach 152 by 2046. The structure is 68 ft (20.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 328 Ch 11
CrossesTrib Mud Creek
Location.5MI S Wellington E1
RouteCounty Highway 0
Coordinates40.53201, -87.64761
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than 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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length68 ft (20.8 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic152 by 2046
Trucks36%
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 FAS 328 Ch 11 over Trib Mud Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 328 Ch 11 over Trib Mud 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 September 2024.

How much traffic does FAS 328 Ch 11 over Trib Mud Creek carry?

About 100 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is FAS 328 Ch 11 over Trib Mud Creek?

The structure is 68 ft (20.8 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns FAS 328 Ch 11 over Trib Mud Creek?

It is owned by the County Highway Agency.