US Bridges

FAS 268 B/Ch 15 over Otter Creek

FairClosed to traffic

LaSalle County, Illinois · E 22nd N 1460 · Structure no. 050500000000000

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
600
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 268 B/Ch 15 over Otter Creek is a concrete continuous culvert carrying FAS 268 B/Ch 15 over Otter Creek in LaSalle County, Illinois. It was built in 1955, so it is 70 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. Its operating status is: closed to all traffic.

It carries about 600 vehicles a day, roughly 7% of them trucks, projected to reach 606 by 2046. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesFAS 268 B/Ch 15
CrossesOtter Creek
LocationE 22nd N 1460
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.14524, -88.7401
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic606 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 268 B/Ch 15 over Otter Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is FAS 268 B/Ch 15 over Otter 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 268 B/Ch 15 over Otter Creek carry?

About 600 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FAS 268 B/Ch 15 over Otter Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns FAS 268 B/Ch 15 over Otter Creek?

It is owned by the County Highway Agency.