US Bridges

FAS 206-CH 4 over Edwards River

Fair

Mercer County, Illinois · S.CTR-24-T15NR1W · Structure no. 066311100000000

Built
1947
78 years old, rebuilt 1996
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
775
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 206-CH 4 over Edwards River is a concrete continuous tee beam carrying FAS 206-CH 4 over Edwards River in Mercer County, Illinois. It was built in 1947 and reconstructed in 1996, so it is 78 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 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 775 vehicles a day, roughly 8% of them trucks, projected to reach 960 by 2046. The structure is 182 ft (55.5 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAS 206-CH 4
CrossesEdwards River
LocationS.CTR-24-T15NR1W
RouteCounty Highway 0
Coordinates41.26836, -90.44503
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating40.7 US tons
Inventory rating26.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length182 ft (55.5 m)
Longest span73 ft (22.4 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2024)
Projected traffic960 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 206-CH 4 over Edwards River built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1996.

What condition is FAS 206-CH 4 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 September 2024.

How much traffic does FAS 206-CH 4 over Edwards River carry?

About 775 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FAS 206-CH 4 over Edwards River?

The structure is 182 ft (55.5 m) long with a longest span of 73 ft (22.4 m) and a deck 28 ft wide.

Who owns FAS 206-CH 4 over Edwards River?

It is owned by the County Highway Agency.