US Bridges

Sbi 122 (prairie R over Indian CR

Good

Tazewell County, Illinois · 0.5 MI S JCT Il 122 · Structure no. 090325300000000

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
275
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sbi 122 (prairie R over Indian CR is a prestressed concrete box beam or girders - multiple carrying Sbi 122 (prairie R over Indian CR in Tazewell County, Illinois. It was built in 2021, so it is 4 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 275 vehicles a day, roughly 7% of them trucks, projected to reach 278 by 2046. The structure is 78 ft (23.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSbi 122 (prairie R
CrossesIndian CR
Location0.5 MI S JCT Il 122
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.42061, -89.45522
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length78 ft (23.7 m)
Longest span75 ft (22.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic278 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Sbi 122 (prairie R over Indian CR built?

It was built in 2021, making it 4 years old in 2025.

What condition is Sbi 122 (prairie R 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 November 2023.

How much traffic does Sbi 122 (prairie R over Indian CR carry?

About 275 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sbi 122 (prairie R over Indian CR?

The structure is 78 ft (23.7 m) long with a longest span of 75 ft (22.8 m) and a deck 28 ft wide.

Who owns Sbi 122 (prairie R over Indian CR?

It is owned by the Town or Township Highway Agency.