US Bridges

Il 14 over Unnamed Stream

Good

Franklin County, Illinois · 2.4 MI W Hamilton CO · Structure no. 028009200000000

Built
2022
3 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

Il 14 over Unnamed Stream is a steel stringer/multi-beam or girder carrying Il 14 over Unnamed Stream in Franklin County, Illinois. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,650 vehicles a day, roughly 8% of them trucks, projected to reach 1,800 by 2046. The structure is 83 ft (25.4 m) long and 39 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesIl 14
CrossesUnnamed Stream
Location2.4 MI W Hamilton CO
RouteState Highway 14
Coordinates38.06909, -88.74829
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length83 ft (25.4 m)
Longest span79 ft (24 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic1,800 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 14 over Unnamed Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Il 14 over Unnamed Stream 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 February 2023.

How much traffic does Il 14 over Unnamed Stream carry?

About 1,650 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 14 over Unnamed Stream?

The structure is 83 ft (25.4 m) long with a longest span of 79 ft (24 m) and a deck 39 ft wide.

Who owns Il 14 over Unnamed Stream?

It is owned by the State Highway Agency.