US Bridges

Il 94 over Long Creek

Fair

Hancock County, Illinois · 1.1M N US136 Carthag · Structure no. 034004200000000

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
2 main spans
Daily traffic
3,750
2023 count
Owner
State
State Highway Agency

About this bridge

Il 94 over Long Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 94 over Long Creek in Hancock 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 5 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 3,750 vehicles a day, roughly 20% of them trucks, projected to reach 3,182 by 2046. The structure is 148 ft (45.1 m) long and 35 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesIl 94
CrossesLong Creek
Location1.1M N US136 Carthag
RouteState Highway 94
Coordinates40.43084, -91.14011
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span74 ft (22.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,750 (2023)
Projected traffic3,182 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 94 over Long Creek built?

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

What condition is Il 94 over Long 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 June 2023.

How much traffic does Il 94 over Long Creek carry?

About 3,750 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Il 94 over Long Creek?

The structure is 148 ft (45.1 m) long with a longest span of 74 ft (22.6 m) and a deck 35 ft wide.

Who owns Il 94 over Long Creek?

It is owned by the State Highway Agency.