US Bridges

Ch 62 over Mill CR

Good

Rock Island County, Illinois · 5 MI SW of Milan · Structure no. 081310100000000

Built
1986
39 years old, rebuilt 2014
Condition
Good
inspected October 2020
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
950
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 62 over Mill CR is a prestressed concrete box beam or girders - multiple carrying Ch 62 over Mill CR in Rock Island County, Illinois. It was built in 1986 and reconstructed in 2014, so it is 39 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 950 vehicles a day, roughly 8% of them trucks, projected to reach 960 by 2046. The structure is 106 ft (32.3 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCh 62
CrossesMill CR
Location5 MI SW of Milan
RouteCounty Highway 0
Coordinates41.37616, -90.60687
Functional classRural Minor Collector

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 inspectionOctober 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2020)
Projected traffic960 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 62 over Mill CR built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2014.

What condition is Ch 62 over Mill 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 October 2020.

How much traffic does Ch 62 over Mill CR carry?

About 950 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ch 62 over Mill CR?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Ch 62 over Mill CR?

It is owned by the County Highway Agency.