US Bridges

Main Ave-Cordova over Unnamed Stream

Good

Rock Island County, Illinois · 600 Block of Main Av · Structure no. 081502800000000

Built
2007
18 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
475
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Ave-Cordova over Unnamed Stream is a concrete culvert carrying Main Ave-Cordova over Unnamed Stream in Rock Island County, Illinois. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 475 vehicles a day, roughly 4% of them trucks, projected to reach 480 by 2046. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMain Ave-Cordova
CrossesUnnamed Stream
Location600 Block of Main Av
RouteCity Street 0
CountyRock Island County
StateIllinois
Coordinates41.68027, -90.32249
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2020)
Projected traffic480 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

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 Main Ave-Cordova over Unnamed Stream built?

It was built in 2007, making it 18 years old in 2025.

What condition is Main Ave-Cordova over Unnamed Stream 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 December 2021.

How much traffic does Main Ave-Cordova over Unnamed Stream carry?

About 475 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Main Ave-Cordova over Unnamed Stream?

The structure is 24 ft (7.2 m) long with a longest span of 12 ft (3.6 m).

Who owns Main Ave-Cordova over Unnamed Stream?

It is owned by the City or Municipal Highway Agency.