US Bridges

Monroe Street over West End Creek

Good

Williamson County, Illinois · Marion · Structure no. 100601200000000

Built
1997
28 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
150
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monroe Street over West End Creek is a prestressed concrete box beam or girders - multiple carrying Monroe Street over West End Creek in Williamson County, Illinois. It was built in 1997, so it is 28 years old, younger 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 150 vehicles a day, roughly 13% of them trucks, projected to reach 152 by 2046. The structure is 27 ft (8.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMonroe Street
CrossesWest End Creek
LocationMarion
RouteCity Street 0
Coordinates37.728, -88.92974
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span25 ft (7.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks13%
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

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 Monroe Street over West End Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Monroe Street over West End Creek 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 Monroe Street over West End Creek carry?

About 150 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Monroe Street over West End Creek?

The structure is 27 ft (8.3 m) long with a longest span of 25 ft (7.5 m) and a deck 24 ft wide.

Who owns Monroe Street over West End Creek?

It is owned by the City or Municipal Highway Agency.