US Bridges

TR 221 over Mill Creek

Fair

Woodford County, Illinois · 1400N 585S · Structure no. 102317400000000

Built
1994
31 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Wood or Timber
Length
42 ft
1 main span
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 221 over Mill Creek is a wood or timber box beam or girders - multiple carrying TR 221 over Mill Creek in Woodford County, Illinois. It was built in 1994, so it is 31 years old, younger 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 100 vehicles a day, roughly 17% of them trucks, projected to reach 101 by 2046. The structure is 42 ft (12.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 221
CrossesMill Creek
Location1400N 585S
RouteCounty Highway 0
CountyWoodford County
StateIllinois
Coordinates40.67565, -89.2858
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks17%
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 221 over Mill Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is TR 221 over Mill 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 2023.

How much traffic does TR 221 over Mill Creek carry?

About 100 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is TR 221 over Mill Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns TR 221 over Mill Creek?

It is owned by the Town or Township Highway Agency.