US Bridges

Ch 9 FAS 334 over Spring CR

Fair

Iroquois County, Illinois · 1 MI E JCT CH9 US45 · Structure no. 038300200000000

Built
1952
73 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
104 ft
3 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 9 FAS 334 over Spring CR is a steel continuous stringer/multi-beam or girder carrying Ch 9 FAS 334 over Spring CR in Iroquois County, Illinois. It was built in 1952, so it is 73 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 500 vehicles a day, roughly 16% of them trucks, projected to reach 455 by 2046. The structure is 104 ft (31.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCh 9 FAS 334
CrossesSpring CR
Location1 MI E JCT CH9 US45
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.60532, -88.01244
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.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length104 ft (31.7 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic455 by 2046
Trucks16%
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 Ch 9 FAS 334 over Spring CR built?

It was built in 1952, making it 73 years old in 2025.

What condition is Ch 9 FAS 334 over Spring CR 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 July 2024.

How much traffic does Ch 9 FAS 334 over Spring CR carry?

About 500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ch 9 FAS 334 over Spring CR?

The structure is 104 ft (31.7 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns Ch 9 FAS 334 over Spring CR?

It is owned by the County Highway Agency.