US Bridges

CO RD J50 over US 61

Good

Lee County, Iowa · 0.5 Mi. N of Jct. Bus. 61 · Structure no. 000000000609610

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
274 ft
4 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

CO RD J50 over US 61 is a prestressed concrete stringer/multi-beam or girder carrying CO RD J50 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 450 vehicles a day, roughly 77% of them trucks, projected to reach 450 by 2044. The structure is 274 ft (83.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO RD J50
CrossesUS 61
Location0.5 Mi. N of Jct. Bus. 61
RouteCounty Highway 0
StateIowa
Coordinates40.67337, -91.26444
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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length274 ft (83.5 m)
Longest span102 ft (31.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic450 by 2044
Trucks77%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 J50 over US 61 built?

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

What condition is CO RD J50 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 J50 over US 61 carry?

About 450 vehicles per day (2022 count), of which roughly 77% are trucks.

How long is CO RD J50 over US 61?

The structure is 274 ft (83.5 m) long with a longest span of 102 ft (31.1 m) and a deck 36 ft wide.

Who owns CO RD J50 over US 61?

It is owned by the State Highway Agency.