US Bridges

FAS-1711 (CH-21) over Salt Creek

Fair

Effingham County, Illinois · 1 MI E Police Sta · Structure no. 025302200000000

Built
1962
63 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
146 ft
4 main spans
Daily traffic
1,550
2023 count
Owner
County
County Highway Agency

About this bridge

FAS-1711 (CH-21) over Salt Creek is a concrete channel beam carrying FAS-1711 (CH-21) over Salt 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 1,550 vehicles a day, roughly 9% of them trucks, projected to reach 1,696 by 2046. The structure is 146 ft (44.5 m) long and 27 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAS-1711 (CH-21)
CrossesSalt Creek
Location1 MI E Police Sta
RouteCounty Highway 0
Coordinates39.04632, -88.529
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 15
Structure length146 ft (44.5 m)
Longest span36 ft (11 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic1,696 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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-1711 (CH-21) over Salt Creek built?

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

What condition is FAS-1711 (CH-21) over Salt 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-1711 (CH-21) over Salt Creek carry?

About 1,550 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAS-1711 (CH-21) over Salt Creek?

The structure is 146 ft (44.5 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns FAS-1711 (CH-21) over Salt Creek?

It is owned by the County Highway Agency.