US Bridges

Ill 94 over Smith Creek

Fair

Henderson County, Illinois · .25MI N of Il 164 · Structure no. 036002500000000

Built
1932
93 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 94 over Smith Creek is a concrete slab carrying Ill 94 over Smith Creek in Henderson County, Illinois. It was built in 1932, so it is 93 years old, older 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 375 vehicles a day, roughly 12% of them trucks, projected to reach 480 by 2046. The structure is 32 ft (9.8 m) long and 42 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesIll 94
CrossesSmith Creek
Location.25MI N of Il 164
RouteState Highway 94
Coordinates40.92795, -90.86415
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.9 US tons
Inventory rating56.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic480 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Ill 94 over Smith Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Ill 94 over Smith 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 October 2024.

How much traffic does Ill 94 over Smith Creek carry?

About 375 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Ill 94 over Smith Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.

Who owns Ill 94 over Smith Creek?

It is owned by the State Highway Agency.