US Bridges

TR 28 over Willow Branch

Fair

Piatt County, Illinois · 2 MI S Allerton Pk · Structure no. 074303300000000

Built
1962
63 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 28 over Willow Branch is a concrete slab carrying TR 28 over Willow Branch in Piatt County, Illinois. It was built in 1962, so it is 63 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 25 ft (7.6 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesTR 28
CrossesWillow Branch
Location2 MI S Allerton Pk
RouteCounty Highway 0
CountyPiatt County
StateIllinois
Coordinates39.95655, -88.66872
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks0%
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 28 over Willow Branch built?

It was built in 1962, making it 63 years old in 2025.

What condition is TR 28 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 28 over Willow Branch carry?

About 50 vehicles per day (2020 count).

How long is TR 28 over Willow Branch?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns TR 28 over Willow Branch?

It is owned by the Town or Township Highway Agency.