US Bridges

Il 26 FAP 316 over I-80

Good

Bureau County, Illinois · N. Edge of Princeton · Structure no. 006016200000000

Built
2003
22 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
217 ft
2 main spans
Daily traffic
5,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 26 FAP 316 over I-80 is a prestressed concrete stringer/multi-beam or girder carrying Il 26 FAP 316 over I-80 in Bureau County, Illinois. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,200 vehicles a day, roughly 23% of them trucks, projected to reach 2,601 by 2046. The structure is 217 ft (66 m) long and 88 ft wide.

CarriesIl 26 FAP 316
CrossesI-80
LocationN. Edge of Princeton
RouteState Highway 26
Coordinates41.39972, -89.46926
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length217 ft (66 m)
Longest span111 ft (33.7 m)
Deck width88 ft (26.9 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic2,601 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 26 FAP 316 over I-80 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Il 26 FAP 316 over I-80 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 December 2023.

How much traffic does Il 26 FAP 316 over I-80 carry?

About 5,200 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Il 26 FAP 316 over I-80?

The structure is 217 ft (66 m) long with a longest span of 111 ft (33.7 m) and a deck 88 ft wide.

Who owns Il 26 FAP 316 over I-80?

It is owned by the State Highway Agency.