US Bridges

FAI-70 over Big Creek

Fair

Effingham County, Illinois · 1.6 MI E Fayette C L · Structure no. 025200000000000

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
23,900
2023 count
Owner
State
State Highway Agency

About this bridge

FAI-70 over Big Creek is a concrete culvert carrying FAI-70 over Big Creek in Effingham County, Illinois. It was built in 1962, so it is 63 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 23,900 vehicles a day, roughly 47% of them trucks, projected to reach 25,758 by 2046. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAI-70
CrossesBig Creek
Location1.6 MI E Fayette C L
RouteInterstate 70
Coordinates39.03504, -88.77875
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 inspectionDecember 2023
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 rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,900 (2023)
Projected traffic25,758 by 2046
Trucks47%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Big Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is FAI-70 over Big 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 December 2023.

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

About 23,900 vehicles per day (2023 count), of which roughly 47% are trucks.

How long is FAI-70 over Big Creek?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns FAI-70 over Big Creek?

It is owned by the State Highway Agency.