US Bridges

Il 336 over Wildlife Crossing

Fair

McDonough County, Illinois · 3.75MI N of US 136 · Structure no. 055007500000000

Built
2015
10 years old
Condition
Fair
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

Il 336 over Wildlife Crossing is a prestressed concrete stringer/multi-beam or girder carrying Il 336 over Wildlife Crossing in McDonough County, Illinois. It was built in 2015, so it is 10 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 1,600 vehicles a day, roughly 32% of them trucks, projected to reach 1,768 by 2046. The structure is 61 ft (18.7 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIl 336
CrossesWildlife Crossing
Location3.75MI N of US 136
RouteState Highway 110
CountyMcDonough County
StateIllinois
Coordinates40.49516, -90.71225
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.7 m)
Longest span58 ft (17.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,768 by 2046
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed5 mi (8 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 336 over Wildlife Crossing built?

It was built in 2015, making it 10 years old in 2025.

What condition is Il 336 over Wildlife Crossing 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 September 2021.

How much traffic does Il 336 over Wildlife Crossing carry?

About 1,600 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is Il 336 over Wildlife Crossing?

The structure is 61 ft (18.7 m) long with a longest span of 58 ft (17.6 m) and a deck 43 ft wide.

Who owns Il 336 over Wildlife Crossing?

It is owned by the State Highway Agency.