US Bridges

TR 133 over Willow Branch

Fair

Piatt County, Illinois · 3.0 MI NW of Milmine · Structure no. 074315800000000

Built
1974
51 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
200
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 133 over Willow Branch is a concrete culvert carrying TR 133 over Willow Branch in Piatt County, Illinois. It was built in 1974, so it is 51 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 200 vehicles a day, roughly 23% of them trucks, projected to reach 202 by 2046. The structure is 25 ft (7.6 m) long.

Location

Open in Google Maps
CarriesTR 133
CrossesWillow Branch
Location3.0 MI NW of Milmine
RouteCounty Highway 0
CountyPiatt County
StateIllinois
Coordinates39.95255, -88.67246
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic202 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 133 over Willow Branch built?

It was built in 1974, making it 51 years old in 2025.

What condition is TR 133 over Willow Branch 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 133 over Willow Branch carry?

About 200 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is TR 133 over Willow Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns TR 133 over Willow Branch?

It is owned by the Town or Township Highway Agency.