US Bridges

Townline Rd-Ch 7 over I-155

Fair

Tazewell County, Illinois · 3 MI S of Il 9 · Structure no. 090013600000000

Built
1992
33 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
219 ft
2 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

Townline Rd-Ch 7 over I-155 is a steel continuous stringer/multi-beam or girder carrying Townline Rd-Ch 7 over I-155 in Tazewell County, Illinois. It was built in 1992, so it is 33 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 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 2,200 vehicles a day, roughly 10% of them trucks, projected to reach 2,172 by 2046. The structure is 219 ft (66.9 m) long and 65 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTownline Rd-Ch 7
CrossesI-155
Location3 MI S of Il 9
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.48167, -89.472
Functional classRural Major 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length219 ft (66.9 m)
Longest span95 ft (29.1 m)
Deck width65 ft (19.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,172 by 2046
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 Townline Rd-Ch 7 over I-155 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Townline Rd-Ch 7 over I-155 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 Townline Rd-Ch 7 over I-155 carry?

About 2,200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Townline Rd-Ch 7 over I-155?

The structure is 219 ft (66.9 m) long with a longest span of 95 ft (29.1 m) and a deck 65 ft wide.

Who owns Townline Rd-Ch 7 over I-155?

It is owned by the State Highway Agency.