US Bridges

2nd ST over Small Natural Stream

Fair

Lee County, Iowa · 067040308 · Structure no. 000000000033170

Built
1959
66 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
3,720
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

2nd ST over Small Natural Stream is a concrete continuous culvert carrying 2nd ST over Small Natural Stream in Lee County, Iowa. It was built in 1959, so it is 66 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,720 vehicles a day, roughly 3% of them trucks, projected to reach 3,720 by 2043. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries2nd ST
CrossesSmall Natural Stream
Location067040308
RouteCity Street 0
CountyLee County
StateIowa
Coordinates40.63472, -91.30011
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length41 ft (12.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,720 (2022)
Projected traffic3,720 by 2043
Trucks3%
Lanes on structure4
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 2nd ST over Small Natural Stream built?

It was built in 1959, making it 66 years old in 2025.

What condition is 2nd ST over Small Natural Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2022.

How much traffic does 2nd ST over Small Natural Stream carry?

About 3,720 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 2nd ST over Small Natural Stream?

The structure is 41 ft (12.5 m) long with a longest span of 10 ft (3 m).

Who owns 2nd ST over Small Natural Stream?

It is owned by the City or Municipal Highway Agency.