US Bridges

FAS 1279 over Bailey Creek

Fair

LaSalle County, Illinois · N 2101 E 600 · Structure no. 050301800000000

Built
1969
56 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
142 ft
2 main spans
Daily traffic
650
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 1279 over Bailey Creek is a prestressed concrete box beam or girders - multiple carrying FAS 1279 over Bailey Creek in LaSalle County, Illinois. It was built in 1969, so it is 56 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 650 vehicles a day, roughly 12% of them trucks, projected to reach 657 by 2046. The structure is 142 ft (43.3 m) long and 40 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAS 1279
CrossesBailey Creek
LocationN 2101 E 600
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.22585, -89.04961
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic657 by 2046
Trucks12%
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 1279 over Bailey Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAS 1279 over Bailey 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 May 2023.

How much traffic does FAS 1279 over Bailey Creek carry?

About 650 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FAS 1279 over Bailey Creek?

The structure is 142 ft (43.3 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns FAS 1279 over Bailey Creek?

It is owned by the County Highway Agency.