US Bridges

Royal Boulevard over Tyler Creek

Fair

Kane County, Illinois · .4 MI W Mclean Blvd · Structure no. 045630600000000

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
6,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Royal Boulevard over Tyler Creek is a prestressed concrete box beam or girders - multiple carrying Royal Boulevard over Tyler Creek in Kane County, Illinois. It was built in 1988, so it is 37 years old, younger 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 6,300 vehicles a day, roughly 5% of them trucks, projected to reach 7,015 by 2046. The structure is 36 ft (10.9 m) long and 56 ft wide.

CarriesRoyal Boulevard
CrossesTyler Creek
Location.4 MI W Mclean Blvd
RouteCity Street 0
Coordinates42.05193, -88.32329
Functional classUrban 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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span33 ft (10.1 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic7,015 by 2046
Trucks5%
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 Royal Boulevard over Tyler Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Royal Boulevard over Tyler 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 April 2024.

How much traffic does Royal Boulevard over Tyler Creek carry?

About 6,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Royal Boulevard over Tyler Creek?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.1 m) and a deck 56 ft wide.

Who owns Royal Boulevard over Tyler Creek?

It is owned by the City or Municipal Highway Agency.