US Bridges

CO RD J40 over US 61

Good

Lee County, Iowa · At the Jct. SR J-40 · Structure no. 000000000609585

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
2 main spans
Daily traffic
2,360
2022 count
Owner
State
State Highway Agency

About this bridge

CO RD J40 over US 61 is a prestressed concrete stringer/multi-beam or girder carrying CO RD J40 over US 61 in Lee County, Iowa. It was built in 2011, so it is 14 years old, younger than the Iowa average of 45.5 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 2,360 vehicles a day, roughly 6% of them trucks, projected to reach 2,360 by 2044. The structure is 255 ft (77.7 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO RD J40
CrossesUS 61
LocationAt the Jct. SR J-40
RouteCounty Highway 0
StateIowa
Coordinates40.6692, -91.35822
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating69.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span136 ft (41.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,360 (2022)
Projected traffic2,360 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO RD J40 over US 61 built?

It was built in 2011, making it 14 years old in 2025.

What condition is CO RD J40 over US 61 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 January 2024.

How much traffic does CO RD J40 over US 61 carry?

About 2,360 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CO RD J40 over US 61?

The structure is 255 ft (77.7 m) long with a longest span of 136 ft (41.5 m) and a deck 46 ft wide.

Who owns CO RD J40 over US 61?

It is owned by the State Highway Agency.