US Bridges

CH-11 over FAI-70

Fair

Effingham County, Illinois · 5.0 MI E US-45 Int · Structure no. 025005100000000

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
4 main spans
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

CH-11 over FAI-70 is a steel continuous stringer/multi-beam or girder carrying CH-11 over FAI-70 in Effingham County, Illinois. It was built in 1960, 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 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 275 vehicles a day, roughly 18% of them trucks, projected to reach 345 by 2046. The structure is 224 ft (68.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCH-11
CrossesFAI-70
Location5.0 MI E US-45 Int
RouteCounty Highway 0
CountyEffingham County
StateIllinois
Coordinates39.15899, -88.44452
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length224 ft (68.3 m)
Longest span69 ft (21 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic275 (2023)
Projected traffic345 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CH-11 over FAI-70 built?

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

What condition is CH-11 over FAI-70 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 August 2024.

How much traffic does CH-11 over FAI-70 carry?

About 275 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is CH-11 over FAI-70?

The structure is 224 ft (68.3 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

Who owns CH-11 over FAI-70?

It is owned by the State Highway Agency.