US Bridges

FAS-1824 (CH-27) over Sixmile Creek

Poor

Perry County, Illinois · 1 MI W of US 51 · Structure no. 073302700000000

Built
1900
125 years old, rebuilt 1977
Condition
Poor
inspected January 2025
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
1,000
2024 count
Owner
County
County Highway Agency

About this bridge

FAS-1824 (CH-27) over Sixmile Creek is a concrete channel beam carrying FAS-1824 (CH-27) over Sixmile Creek in Perry County, Illinois. It was built in 1900 and reconstructed in 1977, so it is 125 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,010 by 2046. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS-1824 (CH-27)
CrossesSixmile Creek
Location1 MI W of US 51
RouteCounty Highway 0
Coordinates37.97259, -89.24726
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,010 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-1824 (CH-27) over Sixmile Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1977.

What condition is FAS-1824 (CH-27) over Sixmile Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FAS-1824 (CH-27) over Sixmile Creek carry?

About 1,000 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is FAS-1824 (CH-27) over Sixmile Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns FAS-1824 (CH-27) over Sixmile Creek?

It is owned by the County Highway Agency.