US Bridges

CH-4 FAS 637 over Haneys Slough

Fair

Christian County, Illinois · 1.75 MI W Moweaqua · Structure no. 011300700000000

Built
1959
66 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
3 main spans
Daily traffic
1,000
2021 count
Owner
County
County Highway Agency

About this bridge

CH-4 FAS 637 over Haneys Slough is a steel continuous stringer/multi-beam or girder carrying CH-4 FAS 637 over Haneys Slough in Christian County, Illinois. It was built in 1959, so it is 66 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 1,000 vehicles a day, roughly 6% of them trucks, projected to reach 1,010 by 2046. The structure is 207 ft (63.1 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCH-4 FAS 637
CrossesHaneys Slough
Location1.75 MI W Moweaqua
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.62543, -89.05661
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 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 within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length207 ft (63.1 m)
Longest span75 ft (22.9 m)
Deck width36 ft (11.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic1,010 by 2046
Trucks6%
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 CH-4 FAS 637 over Haneys Slough built?

It was built in 1959, making it 66 years old in 2025.

What condition is CH-4 FAS 637 over Haneys Slough 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 CH-4 FAS 637 over Haneys Slough carry?

About 1,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is CH-4 FAS 637 over Haneys Slough?

The structure is 207 ft (63.1 m) long with a longest span of 75 ft (22.9 m) and a deck 36 ft wide.

Who owns CH-4 FAS 637 over Haneys Slough?

It is owned by the County Highway Agency.