US Bridges

FAS 269 (ch 12 N46 over Stream

Fair

LaSalle County, Illinois · N46th RD E 650 · Structure no. 050345400000000

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
60 ft
3 main spans
Daily traffic
325
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 269 (ch 12 N46 over Stream is a concrete channel beam carrying FAS 269 (ch 12 N46 over Stream in LaSalle County, Illinois. It was built in 1978, so it is 47 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 325 vehicles a day, roughly 10% of them trucks, projected to reach 328 by 2046. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesFAS 269 (ch 12 N46
CrossesStream
LocationN46th RD E 650
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.59803, -89.04159
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2020)
Projected traffic328 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 269 (ch 12 N46 over Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAS 269 (ch 12 N46 over Stream 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 May 2023.

How much traffic does FAS 269 (ch 12 N46 over Stream carry?

About 325 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FAS 269 (ch 12 N46 over Stream?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns FAS 269 (ch 12 N46 over Stream?

It is owned by the County Highway Agency.