US Bridges

FAS 450-CH 20 over Horseshoe Lake

Good

Fulton County, Illinois · SW-12-TNR1E · Structure no. 029320600000000

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 450-CH 20 over Horseshoe Lake is a prestressed concrete box beam or girders - multiple carrying FAS 450-CH 20 over Horseshoe Lake in Fulton County, Illinois. It was built in 1999, so it is 26 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 20% of them trucks, projected to reach 152 by 2046. The structure is 76 ft (23.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 450-CH 20
CrossesHorseshoe Lake
LocationSW-12-TNR1E
RouteCounty Highway 0
Coordinates40.68753, -90.34289
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span73 ft (22.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 450-CH 20 over Horseshoe Lake built?

It was built in 1999, making it 26 years old in 2025.

What condition is FAS 450-CH 20 over Horseshoe Lake in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does FAS 450-CH 20 over Horseshoe Lake carry?

About 150 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is FAS 450-CH 20 over Horseshoe Lake?

The structure is 76 ft (23.1 m) long with a longest span of 73 ft (22.3 m) and a deck 30 ft wide.

Who owns FAS 450-CH 20 over Horseshoe Lake?

It is owned by the County Highway Agency.