US Bridges

Ill 94 over Edwards River

Fair

Mercer County, Illinois · 1.9 MI N of Ill 17 · Structure no. 066000800000000

Built
1960
65 years old, rebuilt 2007
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
4 main spans
Daily traffic
3,450
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 94 over Edwards River is a steel continuous stringer/multi-beam or girder carrying Ill 94 over Edwards River in Mercer County, Illinois. It was built in 1960 and reconstructed in 2007, so it is 65 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 3,450 vehicles a day, roughly 10% of them trucks, projected to reach 3,131 by 2046. The structure is 301 ft (91.6 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIll 94
CrossesEdwards River
Location1.9 MI N of Ill 17
RouteState Highway 94
Coordinates41.22879, -90.73227
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length301 ft (91.6 m)
Longest span82 ft (25.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2023)
Projected traffic3,131 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 94 over Edwards River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2007.

What condition is Ill 94 over Edwards River 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 Ill 94 over Edwards River carry?

About 3,450 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 94 over Edwards River?

The structure is 301 ft (91.6 m) long with a longest span of 82 ft (25.1 m) and a deck 35 ft wide.

Who owns Ill 94 over Edwards River?

It is owned by the State Highway Agency.