US Bridges

TR 328 over Trib to Little Muddy

Good

Jackson County, Illinois · 1.25 MI S of FAS 869 · Structure no. 039325100000000

Built
2011
14 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
25
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 328 over Trib to Little Muddy is a prestressed concrete box beam or girders - multiple carrying TR 328 over Trib to Little Muddy in Jackson 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 25 vehicles a day, roughly 44% of them trucks, projected to reach 51 by 2046. The structure is 27 ft (8.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 328
CrossesTrib to Little Muddy
Location1.25 MI S of FAS 869
RouteCounty Highway 0
Coordinates37.88862, -89.22568
Functional classRural Local

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 inspectionApril 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating73.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic51 by 2046
Trucks44%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 328 over Trib to Little Muddy built?

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

What condition is TR 328 over Trib to Little Muddy 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 April 2023.

How much traffic does TR 328 over Trib to Little Muddy carry?

About 25 vehicles per day (2022 count), of which roughly 44% are trucks.

How long is TR 328 over Trib to Little Muddy?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns TR 328 over Trib to Little Muddy?

It is owned by the Town or Township Highway Agency.