US Bridges

Front ST over Mosquito Creek

Fair

Pottawattamie County, Iowa · 000000000 · Structure no. 000000000044160

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
2,195
2021 count
Owner
County
County Highway Agency

About this bridge

Front ST over Mosquito Creek is a steel continuous stringer/multi-beam or girder carrying Front ST over Mosquito Creek in Pottawattamie County, Iowa. It was built in 1963, so it is 62 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 5 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 2,195 vehicles a day, roughly 11% of them trucks, projected to reach 2,195 by 2043. The structure is 204 ft (62.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFront ST
CrossesMosquito Creek
Location000000000
RouteCity Street 0
CountyPottawattamie County
StateIowa
Coordinates41.45212, -95.61096
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span78 ft (23.8 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,195 (2021)
Projected traffic2,195 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Front ST over Mosquito Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Front ST over 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 May 2023.

How much traffic does Front ST over Mosquito Creek carry?

About 2,195 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Front ST over Mosquito Creek?

The structure is 204 ft (62.2 m) long with a longest span of 78 ft (23.8 m) and a deck 36 ft wide.

Who owns Front ST over Mosquito Creek?

It is owned by the County Highway Agency.