US Bridges

Ia 64 over No Branch Elk Creek

Good

Jackson County, Iowa · 2.3 Mi. E of S.R. Z40 · Structure no. 000000000030361

Built
1984
41 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
930
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 64 over No Branch Elk Creek is a concrete continuous culvert carrying Ia 64 over No Branch Elk Creek in Jackson County, Iowa. It was built in 1984, so it is 41 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 930 vehicles a day, roughly 15% of them trucks, projected to reach 930 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 64
CrossesNo Branch Elk Creek
Location2.3 Mi. E of S.R. Z40
RouteState Highway 64
StateIowa
Coordinates42.06979, -90.28555
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating33.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic930 (2022)
Projected traffic930 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 64 over No Branch Elk Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ia 64 over No Branch Elk Creek 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 February 2023.

How much traffic does Ia 64 over No Branch Elk Creek carry?

About 930 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ia 64 over No Branch Elk Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Ia 64 over No Branch Elk Creek?

It is owned by the State Highway Agency.