US Bridges

West Boulevard over East Trib to Loop CR

Good

St. Clair County, Illinois · 200 NW of Il 161 · Structure no. 082253000000000

Built
1966
59 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
9,650
2023 count
Owner
State
State Highway Agency

About this bridge

West Boulevard over East Trib to Loop CR is a concrete culvert carrying West Boulevard over East Trib to Loop CR in St. Clair County, Illinois. It was built in 1966, so it is 59 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,650 vehicles a day, roughly 4% of them trucks, projected to reach 9,343 by 2046. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Boulevard
CrossesEast Trib to Loop CR
Location200 NW of Il 161
Coordinates38.51925, -89.94562
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating74.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,650 (2023)
Projected traffic9,343 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 West Boulevard over East Trib to Loop CR built?

It was built in 1966, making it 59 years old in 2025.

What condition is West Boulevard over East Trib to Loop CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does West Boulevard over East Trib to Loop CR carry?

About 9,650 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is West Boulevard over East Trib to Loop CR?

The structure is 24 ft (7.2 m) long with a longest span of 20 ft (6.2 m).

Who owns West Boulevard over East Trib to Loop CR?

It is owned by the State Highway Agency.