US Bridges

Ch 3 / Ellington R over I-172

Fair

Adams County, Illinois · 2.1M S US 24 · Structure no. 001004900000000

Built
1976
49 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
267 ft
2 main spans
Daily traffic
725
2024 count
Owner
State
State Highway Agency

About this bridge

Ch 3 / Ellington R over I-172 is a prestressed concrete stringer/multi-beam or girder carrying Ch 3 / Ellington R over I-172 in Adams County, Illinois. It was built in 1976, so it is 49 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 5 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 725 vehicles a day, roughly 6% of them trucks, projected to reach 657 by 2046. The structure is 267 ft (81.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCh 3 / Ellington R
CrossesI-172
Location2.1M S US 24
RouteCounty Highway 0
CountyAdams County
StateIllinois
Coordinates39.97845, -91.31178
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length267 ft (81.5 m)
Longest span110 ft (33.6 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2024)
Projected traffic657 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 3 / Ellington R over I-172 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ch 3 / Ellington R over I-172 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 April 2023.

How much traffic does Ch 3 / Ellington R over I-172 carry?

About 725 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Ch 3 / Ellington R over I-172?

The structure is 267 ft (81.5 m) long with a longest span of 110 ft (33.6 m) and a deck 32 ft wide.

Who owns Ch 3 / Ellington R over I-172?

It is owned by the State Highway Agency.