US Bridges

Il 104 over Mckee Creek

Fair

Pike County, Illinois · E Edge Chambersburg · Structure no. 075008100000000

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
496 ft
5 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 104 over Mckee Creek is a steel continuous stringer/multi-beam or girder carrying Il 104 over Mckee Creek in Pike County, Illinois. It was built in 1984, so it is 41 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 1,000 vehicles a day, roughly 19% of them trucks, projected to reach 1,276 by 2046. The structure is 496 ft (151.2 m) long and 35 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesIl 104
CrossesMckee Creek
LocationE Edge Chambersburg
RouteState Highway 104
CountyPike County
StateIllinois
Coordinates39.81748, -90.65437
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length496 ft (151.2 m)
Longest span109 ft (33.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,276 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Mckee Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Il 104 over Mckee Creek 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 December 2023.

How much traffic does Il 104 over Mckee Creek carry?

About 1,000 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Il 104 over Mckee Creek?

The structure is 496 ft (151.2 m) long with a longest span of 109 ft (33.2 m) and a deck 35 ft wide.

Who owns Il 104 over Mckee Creek?

It is owned by the State Highway Agency.