US Bridges

Mcpherson Ave over Little Mosquito Creek

Fair

Pottawattamie County, Iowa · 000000000 · Structure no. 000000000287086

Built
1989
36 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
2,690
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcpherson Ave over Little Mosquito Creek is a concrete continuous culvert carrying Mcpherson Ave over Little Mosquito Creek in Pottawattamie County, Iowa. It was built in 1989, so it is 36 years old, younger 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 2,690 vehicles a day, projected to reach 2,690 by 2043. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMcpherson Ave
CrossesLittle Mosquito Creek
Location000000000
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.26128, -95.79867
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,690 (2022)
Projected traffic2,690 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcpherson Ave over Little Mosquito Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mcpherson Ave over Little Mosquito Creek 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 July 2023.

How much traffic does Mcpherson Ave over Little Mosquito Creek carry?

About 2,690 vehicles per day (2022 count).

How long is Mcpherson Ave over Little Mosquito Creek?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m).

Who owns Mcpherson Ave over Little Mosquito Creek?

It is owned by the City or Municipal Highway Agency.