US Bridges

TR 328 over Snyder Creek

Fair

Clark County, Illinois · 4 MI E Walnut Prarie · Structure no. 012314600000000

Built
1973
52 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 328 over Snyder Creek is a steel stringer/multi-beam or girder carrying TR 328 over Snyder Creek in Clark County, Illinois. It was built in 1973, so it is 52 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 51 ft (15.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 328
CrossesSnyder Creek
Location4 MI E Walnut Prarie
RouteCounty Highway 0
Coordinates39.24441, -87.59075
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.5 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span49 ft (14.9 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Snyder Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is TR 328 over Snyder Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does TR 328 over Snyder Creek carry?

About 50 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is TR 328 over Snyder Creek?

The structure is 51 ft (15.4 m) long with a longest span of 49 ft (14.9 m) and a deck 22 ft wide.

Who owns TR 328 over Snyder Creek?

It is owned by the Town or Township Highway Agency.