US Bridges

TR 335 over Prairie Creek

Good

Franklin County, Illinois · 1.25 MI W Il 148 · Structure no. 028329000000000

Built
1989
36 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 335 over Prairie Creek is a prestressed concrete box beam or girders - multiple carrying TR 335 over Prairie Creek in Franklin County, Illinois. It was built in 1989, so it is 36 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 75 vehicles a day, roughly 17% of them trucks, projected to reach 101 by 2046. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 335
CrossesPrairie Creek
Location1.25 MI W Il 148
RouteCounty Highway 0
Coordinates37.90655, -89.08089
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 inspectionJune 2022
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic101 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 335 over Prairie Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is TR 335 over Prairie 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 June 2022.

How much traffic does TR 335 over Prairie Creek carry?

About 75 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is TR 335 over Prairie Creek?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 24 ft wide.

Who owns TR 335 over Prairie Creek?

It is owned by the Town or Township Highway Agency.