US Bridges

FAS-711 (CH-25) over Big Creek

Fair

Effingham County, Illinois · 1 MI S Altamont · Structure no. 025500000000000

Built
1938
87 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
2,700
2023 count
Owner
County
County Highway Agency

About this bridge

FAS-711 (CH-25) over Big Creek is a concrete culvert carrying FAS-711 (CH-25) over Big Creek in Effingham County, Illinois. It was built in 1938, so it is 87 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 5 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 2,700 vehicles a day, roughly 9% of them trucks, projected to reach 2,809 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS-711 (CH-25)
CrossesBig Creek
Location1 MI S Altamont
RouteCounty Highway 0
Coordinates39.03271, -88.74828
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic2,809 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-711 (CH-25) over Big Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is FAS-711 (CH-25) 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 November 2024.

How much traffic does FAS-711 (CH-25) over Big Creek carry?

About 2,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAS-711 (CH-25) over Big Creek?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (3.9 m).

Who owns FAS-711 (CH-25) over Big Creek?

It is owned by the County Highway Agency.