US Bridges

Il 104 over Mcgee Drainage Ditch

Fair

Pike County, Illinois · .2M E Il 99 · Structure no. 075012800000000

Built
1988
37 years old, rebuilt 2017
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
135 ft
2 main spans
Daily traffic
2,850
2023 count
Owner
State
State Highway Agency

About this bridge

Il 104 over Mcgee Drainage Ditch is a steel continuous stringer/multi-beam or girder carrying Il 104 over Mcgee Drainage Ditch in Pike County, Illinois. It was built in 1988 and reconstructed in 2017, so it is 37 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 2,850 vehicles a day, roughly 22% of them trucks, projected to reach 3,422 by 2046. The structure is 135 ft (41.1 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesIl 104
CrossesMcgee Drainage Ditch
Location.2M E Il 99
RouteState Highway 104
CountyPike County
StateIllinois
Coordinates39.83166, -90.57923
Functional classRural Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span71 ft (21.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2023)
Projected traffic3,422 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 104 over Mcgee Drainage Ditch built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2017.

What condition is Il 104 over Mcgee Drainage Ditch 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 May 2024.

How much traffic does Il 104 over Mcgee Drainage Ditch carry?

About 2,850 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Il 104 over Mcgee Drainage Ditch?

The structure is 135 ft (41.1 m) long with a longest span of 71 ft (21.5 m) and a deck 47 ft wide.

Who owns Il 104 over Mcgee Drainage Ditch?

It is owned by the State Highway Agency.