US Bridges

Il 91 over Prince Run Trib

Fair

Stark County, Illinois · 4 MI N of Princevill · Structure no. 088002800000000

Built
2000
25 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

Il 91 over Prince Run Trib is a prestressed concrete stringer/multi-beam or girder carrying Il 91 over Prince Run Trib in Stark County, Illinois. It was built in 2000, so it is 25 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 1,650 vehicles a day, roughly 11% of them trucks, projected to reach 1,515 by 2046. The structure is 70 ft (21.4 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesIl 91
CrossesPrince Run Trib
Location4 MI N of Princevill
RouteState Highway 91
CountyStark County
StateIllinois
Coordinates40.97669, -89.7546
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span68 ft (20.6 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic1,515 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 91 over Prince Run Trib built?

It was built in 2000, making it 25 years old in 2025.

What condition is Il 91 over Prince Run Trib 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 Il 91 over Prince Run Trib carry?

About 1,650 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Il 91 over Prince Run Trib?

The structure is 70 ft (21.4 m) long with a longest span of 68 ft (20.6 m) and a deck 35 ft wide.

Who owns Il 91 over Prince Run Trib?

It is owned by the State Highway Agency.