US Bridges

Morman Trek Blv over Willow Creek

Good

Johnson County, Iowa · 079062100 · Structure no. 000000000364790

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
5,200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morman Trek Blv over Willow Creek is a concrete continuous culvert carrying Morman Trek Blv over Willow Creek in Johnson County, Iowa. It was built in 2005, so it is 20 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 5,200 vehicles a day, projected to reach 5,200 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMorman Trek Blv
CrossesWillow Creek
Location079062100
RouteCity Street 0
StateIowa
Coordinates41.63177, -91.54881
Functional classUrban 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2022)
Projected traffic5,200 by 2043
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Morman Trek Blv over Willow Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Morman Trek Blv over Willow 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 July 2023.

How much traffic does Morman Trek Blv over Willow Creek carry?

About 5,200 vehicles per day (2022 count).

How long is Morman Trek Blv over Willow Creek?

The structure is 43 ft (13.1 m) long with a longest span of 14 ft (4.3 m).

Who owns Morman Trek Blv over Willow Creek?

It is owned by the City or Municipal Highway Agency.