US Bridges

Ia 92 WB over Mosquito Creek & RR

Good

Pottawattamie County, Iowa · 0.4 Mi. E of JCT I-29 · Structure no. 000000000043531

Built
2015
10 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,065 ft
9 main spans
Daily traffic
10,000
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 92 WB over Mosquito Creek & RR is a prestressed concrete stringer/multi-beam or girder carrying Ia 92 WB over Mosquito Creek & RR in Pottawattamie County, Iowa. It was built in 2015, so it is 10 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 10,000 vehicles a day, roughly 7% of them trucks, projected to reach 10,000 by 2043. The structure is 1,065 ft (324.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 92 WB
CrossesMosquito Creek & RR
Location0.4 Mi. E of JCT I-29
RouteState Highway 92
CountyPottawattamie County
StateIowa
Coordinates41.22439, -95.82755
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length1,065 ft (324.6 m)
Longest span152 ft (46.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2023)
Projected traffic10,000 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 92 WB over Mosquito Creek & RR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Ia 92 WB over Mosquito Creek & RR 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 October 2024.

How much traffic does Ia 92 WB over Mosquito Creek & RR carry?

About 10,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ia 92 WB over Mosquito Creek & RR?

The structure is 1,065 ft (324.6 m) long with a longest span of 152 ft (46.3 m) and a deck 41 ft wide.

Who owns Ia 92 WB over Mosquito Creek & RR?

It is owned by the State Highway Agency.