US Bridges

TR 135 over Prairie Creek

Fair

Cass County, Illinois · 2MI SW Hagener · Structure no. 009340700000000

Built
1978
47 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
75
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 135 over Prairie Creek is a prestressed concrete box beam or girders - multiple carrying TR 135 over Prairie Creek in Cass County, Illinois. It was built in 1978, so it is 47 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 6 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 70 ft (21.3 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesTR 135
CrossesPrairie Creek
Location2MI SW Hagener
RouteCounty Highway 0
CountyCass County
StateIllinois
Coordinates39.90555, -90.41906
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width28 ft (8.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 135 over Prairie Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR 135 over Prairie 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 January 2023.

How much traffic does TR 135 over Prairie Creek carry?

About 75 vehicles per day (2023 count).

How long is TR 135 over Prairie Creek?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 28 ft wide.

Who owns TR 135 over Prairie Creek?

It is owned by the Town or Township Highway Agency.