US Bridges

NB I-155 over Indian CR

Good

Tazewell County, Illinois · .5MI S 155&122 Int · Structure no. 090018500000000

Built
2023
2 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
187 ft
3 main spans
Daily traffic
5,900
2023 count
Owner
State
State Highway Agency

About this bridge

NB I-155 over Indian CR is a steel continuous stringer/multi-beam or girder carrying NB I-155 over Indian CR in Tazewell County, Illinois. It was built in 2023, so it is 2 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,900 vehicles a day, roughly 19% of them trucks, projected to reach 5,900 by 2046. The structure is 187 ft (56.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB I-155
CrossesIndian CR
Location.5MI S 155&122 Int
RouteInterstate 155
CountyTazewell County
StateIllinois
Coordinates40.42037, -89.45671
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length187 ft (56.9 m)
Longest span81 ft (24.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2023)
Projected traffic5,900 by 2046
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NB I-155 over Indian CR built?

It was built in 2023, making it 2 years old in 2025.

What condition is NB I-155 over Indian CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does NB I-155 over Indian CR carry?

About 5,900 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is NB I-155 over Indian CR?

The structure is 187 ft (56.9 m) long with a longest span of 81 ft (24.8 m) and a deck 43 ft wide.

Who owns NB I-155 over Indian CR?

It is owned by the State Highway Agency.