US Bridges

FAI-70 over Coon Creek

Fair

Effingham County, Illinois · 2 MI E Altamont Int · Structure no. 025200100000000

Built
1961
64 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
23,700
2023 count
Owner
State
State Highway Agency

About this bridge

FAI-70 over Coon Creek is a concrete culvert carrying FAI-70 over Coon Creek in Effingham County, Illinois. It was built in 1961, so it is 64 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 23,700 vehicles a day, roughly 45% of them trucks, projected to reach 26,288 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesFAI-70
CrossesCoon Creek
Location2 MI E Altamont Int
RouteInterstate 70
CountyEffingham County
StateIllinois
Coordinates39.05433, -88.71058
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,700 (2023)
Projected traffic26,288 by 2046
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 FAI-70 over Coon Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is FAI-70 over Coon 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 February 2024.

How much traffic does FAI-70 over Coon Creek carry?

About 23,700 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is FAI-70 over Coon Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m).

Who owns FAI-70 over Coon Creek?

It is owned by the State Highway Agency.