US Bridges

1st ST over Cedar Creek

Fair

LaSalle County, Illinois · 1st ST over Cedar CR · Structure no. 050600000000000

Built
1969
56 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
38 ft
1 main span
Daily traffic
250
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st ST over Cedar Creek is a concrete channel beam carrying 1st ST over Cedar 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 253 by 2046. The structure is 38 ft (11.6 m) long and 26 ft wide.

Location

Open in Google Maps
Carries1st ST
CrossesCedar Creek
Location1st ST over Cedar CR
RouteCity Street 0
CountyLaSalle County
StateIllinois
Coordinates41.26508, -89.12953
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length38 ft (11.6 m)
Longest span35 ft (10.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 1st ST over Cedar Creek built?

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

What condition is 1st ST over Cedar 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 2024.

How much traffic does 1st ST over Cedar Creek carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is 1st ST over Cedar Creek?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.8 m) and a deck 26 ft wide.

Who owns 1st ST over Cedar Creek?

It is owned by the City or Municipal Highway Agency.